id sid tid token lemma pos doi-org-3035 1 1 A a DT doi-org-3035 1 2 cross cross JJ doi-org-3035 1 3 disciplinary disciplinary JJ doi-org-3035 1 4 study study NN doi-org-3035 1 5 of of IN doi-org-3035 1 6 link link NN doi-org-3035 1 7 decay decay NN doi-org-3035 1 8 and and CC doi-org-3035 1 9 the the DT doi-org-3035 1 10 effectiveness effectiveness NN doi-org-3035 1 11 of of IN doi-org-3035 1 12 mitigation mitigation NN doi-org-3035 1 13 techniques technique NNS doi-org-3035 1 14 | | CD doi-org-3035 1 15 BMC BMC NNP doi-org-3035 1 16 Bioinformatics Bioinformatics NNP doi-org-3035 1 17 | | NNP doi-org-3035 1 18 Full Full NNP doi-org-3035 1 19 Text Text NNP doi-org-3035 1 20 Skip Skip NNP doi-org-3035 1 21 to to IN doi-org-3035 1 22 main main JJ doi-org-3035 1 23 content content NN doi-org-3035 1 24 Advertisement Advertisement NNP doi-org-3035 1 25 Search Search NNP doi-org-3035 1 26 Explore Explore NNP doi-org-3035 1 27 journals journal NNS doi-org-3035 1 28 Get get VBP doi-org-3035 1 29 published publish VBN doi-org-3035 1 30 About about IN doi-org-3035 1 31 BMC BMC NNP doi-org-3035 1 32 My -PRON- PRP$ doi-org-3035 1 33 account account NN doi-org-3035 1 34 Search search VB doi-org-3035 1 35 all all DT doi-org-3035 1 36 BMC bmc NN doi-org-3035 1 37 articles article NNS doi-org-3035 1 38 Search Search NNP doi-org-3035 1 39 BMC BMC NNP doi-org-3035 1 40 Bioinformatics Bioinformatics NNP doi-org-3035 1 41 Home Home NNP doi-org-3035 1 42 About about IN doi-org-3035 1 43 Articles Articles NNPS doi-org-3035 1 44 In in IN doi-org-3035 1 45 Review Review NNP doi-org-3035 1 46 Submission Submission NNP doi-org-3035 1 47 Guidelines Guidelines NNPS doi-org-3035 1 48 Download Download NNP doi-org-3035 1 49 PDF PDF NNP doi-org-3035 1 50 Volume volume NN doi-org-3035 1 51 14 14 CD doi-org-3035 1 52 Supplement supplement NN doi-org-3035 1 53 14 14 CD doi-org-3035 1 54 Proceedings proceeding NNS doi-org-3035 1 55 of of IN doi-org-3035 1 56 the the DT doi-org-3035 1 57 Tenth Tenth NNP doi-org-3035 1 58 Annual Annual NNP doi-org-3035 1 59 MCBIOS MCBIOS NNP doi-org-3035 1 60 Conference Conference NNP doi-org-3035 1 61 Proceedings Proceedings NNP doi-org-3035 1 62 Open Open NNP doi-org-3035 1 63 Access Access NNP doi-org-3035 1 64 Published publish VBN doi-org-3035 1 65 : : : doi-org-3035 1 66 09 09 CD doi-org-3035 1 67 October October NNP doi-org-3035 1 68 2013 2013 CD doi-org-3035 1 69 A a DT doi-org-3035 1 70 cross cross JJ doi-org-3035 1 71 disciplinary disciplinary JJ doi-org-3035 1 72 study study NN doi-org-3035 1 73 of of IN doi-org-3035 1 74 link link NN doi-org-3035 1 75 decay decay NN doi-org-3035 1 76 and and CC doi-org-3035 1 77 the the DT doi-org-3035 1 78 effectiveness effectiveness NN doi-org-3035 1 79 of of IN doi-org-3035 1 80 mitigation mitigation NN doi-org-3035 1 81 techniques technique NNS doi-org-3035 1 82 Jason Jason NNP doi-org-3035 1 83 Hennessey1 Hennessey1 NNP doi-org-3035 1 84 & & CC doi-org-3035 1 85 Steven Steven NNP doi-org-3035 1 86 Xijin Xijin NNP doi-org-3035 1 87 Ge1 ge1 NN doi-org-3035 1 88     _SP doi-org-3035 1 89 BMC BMC NNP doi-org-3035 1 90 Bioinformatics Bioinformatics NNP doi-org-3035 1 91 volume volume NN doi-org-3035 1 92   _SP doi-org-3035 1 93 14 14 CD doi-org-3035 1 94 , , , doi-org-3035 1 95 Article article NN doi-org-3035 1 96   _SP doi-org-3035 1 97 number number NN doi-org-3035 1 98 : : : doi-org-3035 1 99   _SP doi-org-3035 1 100 S5 s5 NN doi-org-3035 1 101 ( ( -LRB- doi-org-3035 1 102 2013 2013 CD doi-org-3035 1 103 ) ) -RRB- doi-org-3035 1 104 Cite cite VB doi-org-3035 1 105 this this DT doi-org-3035 1 106 article article NN doi-org-3035 1 107 6526 6526 CD doi-org-3035 1 108 Accesses Accesses NNP doi-org-3035 1 109 15 15 CD doi-org-3035 1 110 Citations citation NNS doi-org-3035 1 111 50 50 CD doi-org-3035 1 112 Altmetric Altmetric NNP doi-org-3035 1 113 Metrics Metrics NNPS doi-org-3035 1 114 details detail NNS doi-org-3035 1 115 Abstract Abstract NNP doi-org-3035 1 116 Background Background NNP doi-org-3035 1 117 The the DT doi-org-3035 1 118 dynamic dynamic JJ doi-org-3035 1 119 , , , doi-org-3035 1 120 decentralized decentralized JJ doi-org-3035 1 121 world world NN doi-org-3035 1 122 - - HYPH doi-org-3035 1 123 wide wide JJ doi-org-3035 1 124 - - HYPH doi-org-3035 1 125 web web NN doi-org-3035 1 126 has have VBZ doi-org-3035 1 127 become become VBN doi-org-3035 1 128 an an DT doi-org-3035 1 129 essential essential JJ doi-org-3035 1 130 part part NN doi-org-3035 1 131 of of IN doi-org-3035 1 132 scientific scientific JJ doi-org-3035 1 133 research research NN doi-org-3035 1 134 and and CC doi-org-3035 1 135 communication communication NN doi-org-3035 1 136 . . . doi-org-3035 2 1 Researchers researcher NNS doi-org-3035 2 2 create create VBP doi-org-3035 2 3 thousands thousand NNS doi-org-3035 2 4 of of IN doi-org-3035 2 5 web web NN doi-org-3035 2 6 sites site NNS doi-org-3035 2 7 every every DT doi-org-3035 2 8 year year NN doi-org-3035 2 9 to to TO doi-org-3035 2 10 share share VB doi-org-3035 2 11 software software NN doi-org-3035 2 12 , , , doi-org-3035 2 13 data datum NNS doi-org-3035 2 14 and and CC doi-org-3035 2 15 services service NNS doi-org-3035 2 16 . . . doi-org-3035 3 1 These these DT doi-org-3035 3 2 valuable valuable JJ doi-org-3035 3 3 resources resource NNS doi-org-3035 3 4 tend tend VBP doi-org-3035 3 5 to to TO doi-org-3035 3 6 disappear disappear VB doi-org-3035 3 7 over over IN doi-org-3035 3 8 time time NN doi-org-3035 3 9 . . . doi-org-3035 4 1 The the DT doi-org-3035 4 2 problem problem NN doi-org-3035 4 3 has have VBZ doi-org-3035 4 4 been be VBN doi-org-3035 4 5 documented document VBN doi-org-3035 4 6 in in IN doi-org-3035 4 7 many many JJ doi-org-3035 4 8 subject subject JJ doi-org-3035 4 9 areas area NNS doi-org-3035 4 10 . . . doi-org-3035 5 1 Our -PRON- PRP$ doi-org-3035 5 2 goal goal NN doi-org-3035 5 3 is be VBZ doi-org-3035 5 4 to to TO doi-org-3035 5 5 conduct conduct VB doi-org-3035 5 6 a a DT doi-org-3035 5 7 cross cross JJ doi-org-3035 5 8 - - JJ doi-org-3035 5 9 disciplinary disciplinary JJ doi-org-3035 5 10 investigation investigation NN doi-org-3035 5 11 of of IN doi-org-3035 5 12 the the DT doi-org-3035 5 13 problem problem NN doi-org-3035 5 14 and and CC doi-org-3035 5 15 test test VB doi-org-3035 5 16 the the DT doi-org-3035 5 17 effectiveness effectiveness NN doi-org-3035 5 18 of of IN doi-org-3035 5 19 existing existing JJ doi-org-3035 5 20 remedies remedy NNS doi-org-3035 5 21 . . . doi-org-3035 6 1 Results result NNS doi-org-3035 6 2 We -PRON- PRP doi-org-3035 6 3 accessed access VBD doi-org-3035 6 4 14,489 14,489 CD doi-org-3035 6 5 unique unique JJ doi-org-3035 6 6 web web NN doi-org-3035 6 7 pages page NNS doi-org-3035 6 8 found find VBN doi-org-3035 6 9 in in IN doi-org-3035 6 10 the the DT doi-org-3035 6 11 abstracts abstract NNS doi-org-3035 6 12 within within IN doi-org-3035 6 13 Thomson Thomson NNP doi-org-3035 6 14 Reuters Reuters NNP doi-org-3035 6 15 ' ' POS doi-org-3035 6 16 Web Web NNP doi-org-3035 6 17 of of IN doi-org-3035 6 18 Science Science NNP doi-org-3035 6 19 citation citation NN doi-org-3035 6 20 index index NN doi-org-3035 6 21 that that WDT doi-org-3035 6 22 were be VBD doi-org-3035 6 23 published publish VBN doi-org-3035 6 24 between between IN doi-org-3035 6 25 1996 1996 CD doi-org-3035 6 26 and and CC doi-org-3035 6 27 2010 2010 CD doi-org-3035 6 28 and and CC doi-org-3035 6 29 found find VBD doi-org-3035 6 30 that that IN doi-org-3035 6 31 the the DT doi-org-3035 6 32 median median JJ doi-org-3035 6 33 lifespan lifespan NN doi-org-3035 6 34 of of IN doi-org-3035 6 35 these these DT doi-org-3035 6 36 web web NN doi-org-3035 6 37 pages page NNS doi-org-3035 6 38 was be VBD doi-org-3035 6 39 9.3 9.3 CD doi-org-3035 6 40 years year NNS doi-org-3035 6 41 with with IN doi-org-3035 6 42 62 62 CD doi-org-3035 6 43 % % NN doi-org-3035 6 44 of of IN doi-org-3035 6 45 them -PRON- PRP doi-org-3035 6 46 being be VBG doi-org-3035 6 47 archived archive VBN doi-org-3035 6 48 . . . doi-org-3035 7 1 Survival survival NN doi-org-3035 7 2 analysis analysis NN doi-org-3035 7 3 and and CC doi-org-3035 7 4 logistic logistic JJ doi-org-3035 7 5 regression regression NN doi-org-3035 7 6 were be VBD doi-org-3035 7 7 used use VBN doi-org-3035 7 8 to to TO doi-org-3035 7 9 find find VB doi-org-3035 7 10 significant significant JJ doi-org-3035 7 11 predictors predictor NNS doi-org-3035 7 12 of of IN doi-org-3035 7 13 URL URL NNP doi-org-3035 7 14 lifespan lifespan NN doi-org-3035 7 15 . . . doi-org-3035 8 1 The the DT doi-org-3035 8 2 availability availability NN doi-org-3035 8 3 of of IN doi-org-3035 8 4 a a DT doi-org-3035 8 5 web web NN doi-org-3035 8 6 page page NN doi-org-3035 8 7 is be VBZ doi-org-3035 8 8 most most RBS doi-org-3035 8 9 dependent dependent JJ doi-org-3035 8 10 on on IN doi-org-3035 8 11 the the DT doi-org-3035 8 12 time time NN doi-org-3035 8 13 it -PRON- PRP doi-org-3035 8 14 is be VBZ doi-org-3035 8 15 published publish VBN doi-org-3035 8 16 and and CC doi-org-3035 8 17 the the DT doi-org-3035 8 18 top top JJ doi-org-3035 8 19 - - HYPH doi-org-3035 8 20 level level NN doi-org-3035 8 21 domain domain NN doi-org-3035 8 22 names name NNS doi-org-3035 8 23 . . . doi-org-3035 9 1 Similar similar JJ doi-org-3035 9 2 statistical statistical JJ doi-org-3035 9 3 analysis analysis NN doi-org-3035 9 4 revealed reveal VBD doi-org-3035 9 5 biases bias NNS doi-org-3035 9 6 in in IN doi-org-3035 9 7 current current JJ doi-org-3035 9 8 solutions solution NNS doi-org-3035 9 9 : : : doi-org-3035 9 10 the the DT doi-org-3035 9 11 Internet Internet NNP doi-org-3035 9 12 Archive Archive NNP doi-org-3035 9 13 favors favor NNS doi-org-3035 9 14 web web NN doi-org-3035 9 15 pages page NNS doi-org-3035 9 16 with with IN doi-org-3035 9 17 fewer few JJR doi-org-3035 9 18 layers layer NNS doi-org-3035 9 19 in in IN doi-org-3035 9 20 the the DT doi-org-3035 9 21 Universal Universal NNP doi-org-3035 9 22 Resource Resource NNP doi-org-3035 9 23 Locator Locator NNP doi-org-3035 9 24 ( ( -LRB- doi-org-3035 9 25 URL URL NNP doi-org-3035 9 26 ) ) -RRB- doi-org-3035 9 27 while while IN doi-org-3035 9 28 WebCite WebCite NNP doi-org-3035 9 29 is be VBZ doi-org-3035 9 30 significantly significantly RB doi-org-3035 9 31 influenced influence VBN doi-org-3035 9 32 by by IN doi-org-3035 9 33 the the DT doi-org-3035 9 34 source source NN doi-org-3035 9 35 of of IN doi-org-3035 9 36 publication publication NN doi-org-3035 9 37 . . . doi-org-3035 10 1 We -PRON- PRP doi-org-3035 10 2 also also RB doi-org-3035 10 3 created create VBD doi-org-3035 10 4 a a DT doi-org-3035 10 5 prototype prototype NN doi-org-3035 10 6 for for IN doi-org-3035 10 7 a a DT doi-org-3035 10 8 process process NN doi-org-3035 10 9 to to TO doi-org-3035 10 10 submit submit VB doi-org-3035 10 11 web web NN doi-org-3035 10 12 pages page NNS doi-org-3035 10 13 to to IN doi-org-3035 10 14 the the DT doi-org-3035 10 15 archives archive NNS doi-org-3035 10 16 and and CC doi-org-3035 10 17 increased increase VBN doi-org-3035 10 18 coverage coverage NN doi-org-3035 10 19 of of IN doi-org-3035 10 20 our -PRON- PRP$ doi-org-3035 10 21 list list NN doi-org-3035 10 22 of of IN doi-org-3035 10 23 scientific scientific JJ doi-org-3035 10 24 webpages webpage NNS doi-org-3035 10 25 in in IN doi-org-3035 10 26 the the DT doi-org-3035 10 27 Internet Internet NNP doi-org-3035 10 28 Archive Archive NNP doi-org-3035 10 29 and and CC doi-org-3035 10 30 WebCite WebCite NNP doi-org-3035 10 31 by by IN doi-org-3035 10 32 22 22 CD doi-org-3035 10 33 % % NN doi-org-3035 10 34 and and CC doi-org-3035 10 35 255 255 CD doi-org-3035 10 36 % % NN doi-org-3035 10 37 , , , doi-org-3035 10 38 respectively respectively RB doi-org-3035 10 39 . . . doi-org-3035 11 1 Conclusion conclusion NN doi-org-3035 11 2 Our -PRON- PRP$ doi-org-3035 11 3 results result NNS doi-org-3035 11 4 show show VBP doi-org-3035 11 5 that that WDT doi-org-3035 11 6 link link VBP doi-org-3035 11 7 decay decay NN doi-org-3035 11 8 continues continue VBZ doi-org-3035 11 9 to to TO doi-org-3035 11 10 be be VB doi-org-3035 11 11 a a DT doi-org-3035 11 12 problem problem NN doi-org-3035 11 13 across across IN doi-org-3035 11 14 different different JJ doi-org-3035 11 15 disciplines discipline NNS doi-org-3035 11 16 and and CC doi-org-3035 11 17 that that IN doi-org-3035 11 18 current current JJ doi-org-3035 11 19 solutions solution NNS doi-org-3035 11 20 for for IN doi-org-3035 11 21 static static JJ doi-org-3035 11 22 web web NN doi-org-3035 11 23 pages page NNS doi-org-3035 11 24 are be VBP doi-org-3035 11 25 helping help VBG doi-org-3035 11 26 and and CC doi-org-3035 11 27 can can MD doi-org-3035 11 28 be be VB doi-org-3035 11 29 improved improve VBN doi-org-3035 11 30 . . . doi-org-3035 12 1 Background Background NNP doi-org-3035 12 2 Scholarly Scholarly NNP doi-org-3035 12 3 Internet Internet NNP doi-org-3035 12 4 resources resource NNS doi-org-3035 12 5 play play VBP doi-org-3035 12 6 an an DT doi-org-3035 12 7 increasingly increasingly RB doi-org-3035 12 8 important important JJ doi-org-3035 12 9 role role NN doi-org-3035 12 10 in in IN doi-org-3035 12 11 modern modern JJ doi-org-3035 12 12 research research NN doi-org-3035 12 13 . . . doi-org-3035 13 1 We -PRON- PRP doi-org-3035 13 2 can can MD doi-org-3035 13 3 see see VB doi-org-3035 13 4 this this DT doi-org-3035 13 5 by by IN doi-org-3035 13 6 the the DT doi-org-3035 13 7 increasing increase VBG doi-org-3035 13 8 number number NN doi-org-3035 13 9 of of IN doi-org-3035 13 10 URLs url NNS doi-org-3035 13 11 published publish VBN doi-org-3035 13 12 in in IN doi-org-3035 13 13 a a DT doi-org-3035 13 14 paper paper NN doi-org-3035 13 15 's 's POS doi-org-3035 13 16 title title NN doi-org-3035 13 17 or or CC doi-org-3035 13 18 abstract abstract JJ doi-org-3035 13 19 [ [ -LRB- doi-org-3035 13 20 1](also 1](also CD doi-org-3035 13 21 see see NN doi-org-3035 13 22 Figure figure NN doi-org-3035 13 23 1 1 CD doi-org-3035 13 24 ) ) -RRB- doi-org-3035 13 25 . . . doi-org-3035 14 1 Until until IN doi-org-3035 14 2 now now RB doi-org-3035 14 3 , , , doi-org-3035 14 4 maintaining maintain VBG doi-org-3035 14 5 the the DT doi-org-3035 14 6 availability availability NN doi-org-3035 14 7 of of IN doi-org-3035 14 8 scientific scientific JJ doi-org-3035 14 9 contributions contribution NNS doi-org-3035 14 10 has have VBZ doi-org-3035 14 11 been be VBN doi-org-3035 14 12 decentralized decentralize VBN doi-org-3035 14 13 , , , doi-org-3035 14 14 mature mature JJ doi-org-3035 14 15 and and CC doi-org-3035 14 16 effective effective JJ doi-org-3035 14 17 , , , doi-org-3035 14 18 utilizing utilize VBG doi-org-3035 14 19 methods method NNS doi-org-3035 14 20 developed develop VBN doi-org-3035 14 21 over over IN doi-org-3035 14 22 centuries century NNS doi-org-3035 14 23 to to TO doi-org-3035 14 24 archive archive VB doi-org-3035 14 25 the the DT doi-org-3035 14 26 books book NNS doi-org-3035 14 27 and and CC doi-org-3035 14 28 journals journal NNS doi-org-3035 14 29 in in IN doi-org-3035 14 30 which which WDT doi-org-3035 14 31 they -PRON- PRP doi-org-3035 14 32 were be VBD doi-org-3035 14 33 communicated communicate VBN doi-org-3035 14 34 . . . doi-org-3035 15 1 As as IN doi-org-3035 15 2 the the DT doi-org-3035 15 3 Internet internet NN doi-org-3035 15 4 is be VBZ doi-org-3035 15 5 still still RB doi-org-3035 15 6 a a DT doi-org-3035 15 7 relatively relatively RB doi-org-3035 15 8 new new JJ doi-org-3035 15 9 medium medium NN doi-org-3035 15 10 for for IN doi-org-3035 15 11 communicating communicate VBG doi-org-3035 15 12 scientific scientific JJ doi-org-3035 15 13 thought thought NN doi-org-3035 15 14 , , , doi-org-3035 15 15 the the DT doi-org-3035 15 16 community community NN doi-org-3035 15 17 is be VBZ doi-org-3035 15 18 still still RB doi-org-3035 15 19 figuring figure VBG doi-org-3035 15 20 out out RP doi-org-3035 15 21 how how WRB doi-org-3035 15 22 best well RBS doi-org-3035 15 23 to to TO doi-org-3035 15 24 use use VB doi-org-3035 15 25 it -PRON- PRP doi-org-3035 15 26 in in IN doi-org-3035 15 27 a a DT doi-org-3035 15 28 way way NN doi-org-3035 15 29 that that WDT doi-org-3035 15 30 preserves preserve VBZ doi-org-3035 15 31 contributions contribution NNS doi-org-3035 15 32 for for IN doi-org-3035 15 33 years year NNS doi-org-3035 15 34 to to TO doi-org-3035 15 35 come come VB doi-org-3035 15 36 . . . doi-org-3035 16 1 One one CD doi-org-3035 16 2 problem problem NN doi-org-3035 16 3 is be VBZ doi-org-3035 16 4 that that IN doi-org-3035 16 5 continued continue VBN doi-org-3035 16 6 availability availability NN doi-org-3035 16 7 of of IN doi-org-3035 16 8 these these DT doi-org-3035 16 9 online online JJ doi-org-3035 16 10 resources resource NNS doi-org-3035 16 11 is be VBZ doi-org-3035 16 12 at at IN doi-org-3035 16 13 the the DT doi-org-3035 16 14 mercy mercy NN doi-org-3035 16 15 of of IN doi-org-3035 16 16 the the DT doi-org-3035 16 17 organizations organization NNS doi-org-3035 16 18 or or CC doi-org-3035 16 19 individuals individual NNS doi-org-3035 16 20 that that WDT doi-org-3035 16 21 host host VBP doi-org-3035 16 22 them -PRON- PRP doi-org-3035 16 23 . . . doi-org-3035 17 1 Many many JJ doi-org-3035 17 2 disappear disappear VBP doi-org-3035 17 3 after after IN doi-org-3035 17 4 publication publication NN doi-org-3035 17 5 ( ( -LRB- doi-org-3035 17 6 and and CC doi-org-3035 17 7 some some DT doi-org-3035 17 8 even even RB doi-org-3035 17 9 disappear disappear VBP doi-org-3035 17 10 before[2 before[2 '' doi-org-3035 17 11 ] ] -RRB- doi-org-3035 17 12 ) ) -RRB- doi-org-3035 17 13 , , , doi-org-3035 17 14 leading lead VBG doi-org-3035 17 15 to to IN doi-org-3035 17 16 a a DT doi-org-3035 17 17 well well RB doi-org-3035 17 18 - - HYPH doi-org-3035 17 19 documented document VBN doi-org-3035 17 20 phenomenon phenomenon NN doi-org-3035 17 21 referred refer VBN doi-org-3035 17 22 to to IN doi-org-3035 17 23 as as IN doi-org-3035 17 24 link link NN doi-org-3035 17 25 rot rot NN doi-org-3035 17 26 or or CC doi-org-3035 17 27 link link VB doi-org-3035 17 28 decay decay NN doi-org-3035 17 29 . . . doi-org-3035 18 1 Figure figure NN doi-org-3035 18 2 1 1 CD doi-org-3035 18 3 Growth growth NN doi-org-3035 18 4 of of IN doi-org-3035 18 5 scholarly scholarly JJ doi-org-3035 18 6 online online JJ doi-org-3035 18 7 resources resource NNS doi-org-3035 18 8 . . . doi-org-3035 19 1 Not not RB doi-org-3035 19 2 only only RB doi-org-3035 19 3 are be VBP doi-org-3035 19 4 the the DT doi-org-3035 19 5 number number NN doi-org-3035 19 6 of of IN doi-org-3035 19 7 URL url NN doi-org-3035 19 8 - - HYPH doi-org-3035 19 9 containing contain VBG doi-org-3035 19 10 articles article NNS doi-org-3035 19 11 ( ( -LRB- doi-org-3035 19 12 those those DT doi-org-3035 19 13 with with IN doi-org-3035 19 14 " " `` doi-org-3035 19 15 http http NNS doi-org-3035 19 16 " " '' doi-org-3035 19 17 in in IN doi-org-3035 19 18 the the DT doi-org-3035 19 19 title title NN doi-org-3035 19 20 or or CC doi-org-3035 19 21 abstract abstract JJ doi-org-3035 19 22 ) ) -RRB- doi-org-3035 19 23 published publish VBN doi-org-3035 19 24 per per IN doi-org-3035 19 25 year year NN doi-org-3035 19 26 increasing increase VBG doi-org-3035 19 27 ( ( -LRB- doi-org-3035 19 28 dotted dotted JJ doi-org-3035 19 29 line line NN doi-org-3035 19 30 ) ) -RRB- doi-org-3035 19 31 , , , doi-org-3035 19 32 but but CC doi-org-3035 19 33 also also RB doi-org-3035 19 34 the the DT doi-org-3035 19 35 percentage percentage NN doi-org-3035 19 36 of of IN doi-org-3035 19 37 published publish VBN doi-org-3035 19 38 items item NNS doi-org-3035 19 39 containing contain VBG doi-org-3035 19 40 URLs url NNS doi-org-3035 19 41 ( ( -LRB- doi-org-3035 19 42 solid solid JJ doi-org-3035 19 43 line line NN doi-org-3035 19 44 ) ) -RRB- doi-org-3035 19 45 . . . doi-org-3035 20 1 The the DT doi-org-3035 20 2 annual annual JJ doi-org-3035 20 3 increase increase NN doi-org-3035 20 4 in in IN doi-org-3035 20 5 articles article NNS doi-org-3035 20 6 according accord VBG doi-org-3035 20 7 to to IN doi-org-3035 20 8 a a DT doi-org-3035 20 9 linear linear JJ doi-org-3035 20 10 fit fit NN doi-org-3035 20 11 was be VBD doi-org-3035 20 12 174 174 CD doi-org-3035 20 13 with with IN doi-org-3035 20 14 R2 R2 NNP doi-org-3035 20 15 0.97 0.97 CD doi-org-3035 20 16 . . . doi-org-3035 21 1 The the DT doi-org-3035 21 2 linear linear JJ doi-org-3035 21 3 trend trend NN doi-org-3035 21 4 for for IN doi-org-3035 21 5 the the DT doi-org-3035 21 6 percentage percentage NN doi-org-3035 21 7 was be VBD doi-org-3035 21 8 an an DT doi-org-3035 21 9 increase increase NN doi-org-3035 21 10 of of IN doi-org-3035 21 11 0.010 0.010 CD doi-org-3035 21 12 % % NN doi-org-3035 21 13 per per IN doi-org-3035 21 14 year year NN doi-org-3035 21 15 with with IN doi-org-3035 21 16 R2 R2 NNP doi-org-3035 21 17 0.98 0.98 CD doi-org-3035 21 18 . . . doi-org-3035 22 1 Source source NN doi-org-3035 22 2 : : : doi-org-3035 22 3 Thomas Thomas NNP doi-org-3035 22 4 Reuter Reuter NNP doi-org-3035 22 5 's 's POS doi-org-3035 22 6 Web Web NNP doi-org-3035 22 7 of of IN doi-org-3035 22 8 Science Science NNP doi-org-3035 22 9 Full Full NNP doi-org-3035 22 10 size size NN doi-org-3035 22 11 image image NN doi-org-3035 22 12 The the DT doi-org-3035 22 13 problem problem NN doi-org-3035 22 14 has have VBZ doi-org-3035 22 15 been be VBN doi-org-3035 22 16 documented document VBN doi-org-3035 22 17 in in IN doi-org-3035 22 18 several several JJ doi-org-3035 22 19 subject subject JJ doi-org-3035 22 20 areas area NNS doi-org-3035 22 21 , , , doi-org-3035 22 22 with with IN doi-org-3035 22 23 Table table NN doi-org-3035 22 24 1 1 CD doi-org-3035 22 25 containing contain VBG doi-org-3035 22 26 a a DT doi-org-3035 22 27 large large JJ doi-org-3035 22 28 list list NN doi-org-3035 22 29 of of IN doi-org-3035 22 30 these these DT doi-org-3035 22 31 subject subject JJ doi-org-3035 22 32 - - HYPH doi-org-3035 22 33 specific specific JJ doi-org-3035 22 34 studies study NNS doi-org-3035 22 35 . . . doi-org-3035 23 1 In in IN doi-org-3035 23 2 terms term NNS doi-org-3035 23 3 of of IN doi-org-3035 23 4 wide wide JJ doi-org-3035 23 5 , , , doi-org-3035 23 6 cross cross JJ doi-org-3035 23 7 - - JJ doi-org-3035 23 8 disciplinary disciplinary JJ doi-org-3035 23 9 analyses analysis NNS doi-org-3035 23 10 , , , doi-org-3035 23 11 the the DT doi-org-3035 23 12 closest close JJS doi-org-3035 23 13 thus thus RB doi-org-3035 23 14 far far RB doi-org-3035 23 15 are be VBP doi-org-3035 23 16 those those DT doi-org-3035 23 17 of of IN doi-org-3035 23 18 the the DT doi-org-3035 23 19 biological biological JJ doi-org-3035 23 20 and and CC doi-org-3035 23 21 medical medical JJ doi-org-3035 23 22 MEDLINE MEDLINE NNP doi-org-3035 23 23 and and CC doi-org-3035 23 24 PubMed PubMed NNP doi-org-3035 23 25 databases database VBZ doi-org-3035 23 26 by by IN doi-org-3035 23 27 Ducut Ducut NNP doi-org-3035 23 28 [ [ -LRB- doi-org-3035 23 29 1 1 CD doi-org-3035 23 30 ] ] -RRB- doi-org-3035 23 31 and and CC doi-org-3035 23 32 Wren Wren NNP doi-org-3035 23 33 [ [ -LRB- doi-org-3035 23 34 3 3 CD doi-org-3035 23 35 , , , doi-org-3035 23 36 4 4 CD doi-org-3035 23 37 ] ] -RRB- doi-org-3035 23 38 , , , doi-org-3035 23 39 in in IN doi-org-3035 23 40 addition addition NN doi-org-3035 23 41 to to IN doi-org-3035 23 42 Yang Yang NNP doi-org-3035 23 43 's 's POS doi-org-3035 23 44 study study NN doi-org-3035 23 45 of of IN doi-org-3035 23 46 the the DT doi-org-3035 23 47 Social Social NNP doi-org-3035 23 48 Sciences Sciences NNPS doi-org-3035 23 49 within within IN doi-org-3035 23 50 the the DT doi-org-3035 23 51 Chinese Chinese NNP doi-org-3035 23 52 Social Social NNP doi-org-3035 23 53 Sciences Sciences NNPS doi-org-3035 23 54 Citation Citation NNP doi-org-3035 23 55 Index Index NNP doi-org-3035 23 56 ( ( -LRB- doi-org-3035 23 57 CSSCI CSSCI NNP doi-org-3035 23 58 ) ) -RRB- doi-org-3035 23 59 [ [ -LRB- doi-org-3035 23 60 5 5 CD doi-org-3035 23 61 ] ] -RRB- doi-org-3035 23 62 . . . doi-org-3035 24 1 Table table NN doi-org-3035 24 2 1 1 CD doi-org-3035 24 3 Link Link NNP doi-org-3035 24 4 decay decay NN doi-org-3035 24 5 has have VBZ doi-org-3035 24 6 been be VBN doi-org-3035 24 7 studied study VBN doi-org-3035 24 8 for for IN doi-org-3035 24 9 several several JJ doi-org-3035 24 10 years year NNS doi-org-3035 24 11 in in IN doi-org-3035 24 12 specific specific JJ doi-org-3035 24 13 subject subject JJ doi-org-3035 24 14 areas area NNS doi-org-3035 24 15 . . . doi-org-3035 24 16 Full full JJ doi-org-3035 24 17 size size NN doi-org-3035 24 18 table table NN doi-org-3035 24 19 Some some DT doi-org-3035 24 20 solutions solution NNS doi-org-3035 24 21 have have VBP doi-org-3035 24 22 been be VBN doi-org-3035 24 23 proposed propose VBN doi-org-3035 24 24 which which WDT doi-org-3035 24 25 attack attack VB doi-org-3035 24 26 the the DT doi-org-3035 24 27 problem problem NN doi-org-3035 24 28 from from IN doi-org-3035 24 29 different different JJ doi-org-3035 24 30 angles angle NNS doi-org-3035 24 31 . . . doi-org-3035 25 1 The the DT doi-org-3035 25 2 Internet internet NN doi-org-3035 25 3 Archive Archive NNP doi-org-3035 25 4 ( ( -LRB- doi-org-3035 25 5 IA IA NNP doi-org-3035 25 6 ) ) -RRB- doi-org-3035 25 7 [ [ -LRB- doi-org-3035 25 8 6 6 CD doi-org-3035 25 9 ] ] -RRB- doi-org-3035 25 10 and and CC doi-org-3035 25 11 WebCite WebCite NNP doi-org-3035 25 12 ( ( -LRB- doi-org-3035 25 13 WC WC NNP doi-org-3035 25 14 ) ) -RRB- doi-org-3035 25 15 [ [ -LRB- doi-org-3035 25 16 7 7 CD doi-org-3035 25 17 ] ] -RRB- doi-org-3035 25 18 address address NN doi-org-3035 25 19 the the DT doi-org-3035 25 20 issue issue NN doi-org-3035 25 21 by by IN doi-org-3035 25 22 archiving archive VBG doi-org-3035 25 23 web web NN doi-org-3035 25 24 pages page NNS doi-org-3035 25 25 , , , doi-org-3035 25 26 though though IN doi-org-3035 25 27 their -PRON- PRP$ doi-org-3035 25 28 mechanisms mechanism NNS doi-org-3035 25 29 for for IN doi-org-3035 25 30 acquiring acquire VBG doi-org-3035 25 31 those those DT doi-org-3035 25 32 pages page NNS doi-org-3035 25 33 differ differ VBP doi-org-3035 25 34 . . . doi-org-3035 26 1 The the DT doi-org-3035 26 2 IA IA NNP doi-org-3035 26 3 , , , doi-org-3035 26 4 beginning begin VBG doi-org-3035 26 5 from from IN doi-org-3035 26 6 a a DT doi-org-3035 26 7 partnership partnership NN doi-org-3035 26 8 with with IN doi-org-3035 26 9 the the DT doi-org-3035 26 10 Alexa alexa JJ doi-org-3035 26 11 search search NN doi-org-3035 26 12 engine engine NN doi-org-3035 26 13 , , , doi-org-3035 26 14 employs employ VBZ doi-org-3035 26 15 an an DT doi-org-3035 26 16 algorithm algorithm NN doi-org-3035 26 17 that that WDT doi-org-3035 26 18 crawls crawl VBZ doi-org-3035 26 19 the the DT doi-org-3035 26 20 Internet internet NN doi-org-3035 26 21 at at IN doi-org-3035 26 22 large large JJ doi-org-3035 26 23 , , , doi-org-3035 26 24 storing store VBG doi-org-3035 26 25 snapshots snapshot NNS doi-org-3035 26 26 of of IN doi-org-3035 26 27 pages page NNS doi-org-3035 26 28 it -PRON- PRP doi-org-3035 26 29 encounters encounter VBZ doi-org-3035 26 30 along along IN doi-org-3035 26 31 the the DT doi-org-3035 26 32 way way NN doi-org-3035 26 33 . . . doi-org-3035 27 1 In in IN doi-org-3035 27 2 contrast contrast NN doi-org-3035 27 3 , , , doi-org-3035 27 4 WebCite WebCite NNP doi-org-3035 27 5 archives archive VBZ doi-org-3035 27 6 only only RB doi-org-3035 27 7 those those DT doi-org-3035 27 8 pages page NNS doi-org-3035 27 9 which which WDT doi-org-3035 27 10 are be VBP doi-org-3035 27 11 submitted submit VBN doi-org-3035 27 12 to to IN doi-org-3035 27 13 it -PRON- PRP doi-org-3035 27 14 , , , doi-org-3035 27 15 and and CC doi-org-3035 27 16 it -PRON- PRP doi-org-3035 27 17 is be VBZ doi-org-3035 27 18 geared gear VBN doi-org-3035 27 19 toward toward IN doi-org-3035 27 20 the the DT doi-org-3035 27 21 scientific scientific JJ doi-org-3035 27 22 community community NN doi-org-3035 27 23 . . . doi-org-3035 28 1 These these DT doi-org-3035 28 2 two two CD doi-org-3035 28 3 methods method NNS doi-org-3035 28 4 , , , doi-org-3035 28 5 however however RB doi-org-3035 28 6 , , , doi-org-3035 28 7 can can MD doi-org-3035 28 8 only only RB doi-org-3035 28 9 capture capture VB doi-org-3035 28 10 information information NN doi-org-3035 28 11 that that WDT doi-org-3035 28 12 is be VBZ doi-org-3035 28 13 visible visible JJ doi-org-3035 28 14 from from IN doi-org-3035 28 15 the the DT doi-org-3035 28 16 client client NN doi-org-3035 28 17 . . . doi-org-3035 29 1 Logic logic NN doi-org-3035 29 2 and and CC doi-org-3035 29 3 data datum NNS doi-org-3035 29 4 housed house VBN doi-org-3035 29 5 on on IN doi-org-3035 29 6 the the DT doi-org-3035 29 7 server server NN doi-org-3035 29 8 are be VBP doi-org-3035 29 9 not not RB doi-org-3035 29 10 frequently frequently RB doi-org-3035 29 11 available available JJ doi-org-3035 29 12 . . . doi-org-3035 30 1 Other other JJ doi-org-3035 30 2 tools tool NNS doi-org-3035 30 3 , , , doi-org-3035 30 4 like like IN doi-org-3035 30 5 the the DT doi-org-3035 30 6 Digital Digital NNP doi-org-3035 30 7 Object Object NNP doi-org-3035 30 8 Identifier Identifier NNP doi-org-3035 30 9 ( ( -LRB- doi-org-3035 30 10 DOI DOI NNP doi-org-3035 30 11 ) ) -RRB- doi-org-3035 30 12 System system NN doi-org-3035 30 13 [ [ -LRB- doi-org-3035 30 14 8 8 CD doi-org-3035 30 15 ] ] -RRB- doi-org-3035 30 16 and and CC doi-org-3035 30 17 Persistent Persistent NNP doi-org-3035 30 18 Uniform Uniform NNP doi-org-3035 30 19 Resource Resource NNP doi-org-3035 30 20 Locator Locator NNP doi-org-3035 30 21 ( ( -LRB- doi-org-3035 30 22 PURL PURL NNP doi-org-3035 30 23 ) ) -RRB- doi-org-3035 30 24 [ [ -LRB- doi-org-3035 30 25 9 9 CD doi-org-3035 30 26 ] ] -RRB- doi-org-3035 30 27 , , , doi-org-3035 30 28 provide provide VB doi-org-3035 30 29 solutions solution NNS doi-org-3035 30 30 for for IN doi-org-3035 30 31 when when WRB doi-org-3035 30 32 a a DT doi-org-3035 30 33 web web NN doi-org-3035 30 34 resource resource NN doi-org-3035 30 35 is be VBZ doi-org-3035 30 36 moved move VBN doi-org-3035 30 37 to to IN doi-org-3035 30 38 a a DT doi-org-3035 30 39 different different JJ doi-org-3035 30 40 URL url NN doi-org-3035 30 41 but but CC doi-org-3035 30 42 is be VBZ doi-org-3035 30 43 still still RB doi-org-3035 30 44 available available JJ doi-org-3035 30 45 . . . doi-org-3035 31 1 The the DT doi-org-3035 31 2 DOI DOI NNP doi-org-3035 31 3 System System NNP doi-org-3035 31 4 was be VBD doi-org-3035 31 5 created create VBN doi-org-3035 31 6 by by IN doi-org-3035 31 7 an an DT doi-org-3035 31 8 international international JJ doi-org-3035 31 9 consortium consortium NN doi-org-3035 31 10 of of IN doi-org-3035 31 11 organizations organization NNS doi-org-3035 31 12 wishing wish VBG doi-org-3035 31 13 to to TO doi-org-3035 31 14 assign assign VB doi-org-3035 31 15 unique unique JJ doi-org-3035 31 16 identifiers identifier NNS doi-org-3035 31 17 to to IN doi-org-3035 31 18 items item NNS doi-org-3035 31 19 such such JJ doi-org-3035 31 20 as as IN doi-org-3035 31 21 movies movie NNS doi-org-3035 31 22 , , , doi-org-3035 31 23 television television NN doi-org-3035 31 24 shows show NNS doi-org-3035 31 25 , , , doi-org-3035 31 26 books book NNS doi-org-3035 31 27 , , , doi-org-3035 31 28 journal journal NN doi-org-3035 31 29 articles article NNS doi-org-3035 31 30 , , , doi-org-3035 31 31 web web NN doi-org-3035 31 32 sites site NNS doi-org-3035 31 33 and and CC doi-org-3035 31 34 data datum NNS doi-org-3035 31 35 sets set NNS doi-org-3035 31 36 . . . doi-org-3035 32 1 It -PRON- PRP doi-org-3035 32 2 encompasses encompass VBZ doi-org-3035 32 3 several several JJ doi-org-3035 32 4 thousand thousand CD doi-org-3035 32 5 " " `` doi-org-3035 32 6 Naming Naming NNP doi-org-3035 32 7 Authorities Authorities NNPS doi-org-3035 32 8 " " '' doi-org-3035 32 9 organized organize VBN doi-org-3035 32 10 under under IN doi-org-3035 32 11 a a DT doi-org-3035 32 12 few few JJ doi-org-3035 32 13 " " `` doi-org-3035 32 14 Registration Registration NNP doi-org-3035 32 15 Agencies Agencies NNPS doi-org-3035 32 16 " " '' doi-org-3035 32 17 that that WDT doi-org-3035 32 18 have have VBP doi-org-3035 32 19 a a DT doi-org-3035 32 20 lot lot NN doi-org-3035 32 21 of of IN doi-org-3035 32 22 flexibility flexibility NN doi-org-3035 32 23 in in IN doi-org-3035 32 24 their -PRON- PRP$ doi-org-3035 32 25 business business NN doi-org-3035 32 26 models[10 models[10 NN doi-org-3035 32 27 ] ] -RRB- doi-org-3035 32 28 . . . doi-org-3035 33 1 Perhaps perhaps RB doi-org-3035 33 2 30 30 CD doi-org-3035 33 3 - - SYM doi-org-3035 33 4 60 60 CD doi-org-3035 33 5 % % NN doi-org-3035 33 6 of of IN doi-org-3035 33 7 link link NN doi-org-3035 33 8 rot rot NNP doi-org-3035 33 9 could could MD doi-org-3035 33 10 be be VB doi-org-3035 33 11 solved solve VBN doi-org-3035 33 12 using use VBG doi-org-3035 33 13 DOIs doi NNS doi-org-3035 33 14 and and CC doi-org-3035 33 15 PURLs[11 PURLs[11 NNP doi-org-3035 33 16 , , , doi-org-3035 33 17 12 12 CD doi-org-3035 33 18 ] ] -RRB- doi-org-3035 33 19 . . . doi-org-3035 34 1 However however RB doi-org-3035 34 2 they -PRON- PRP doi-org-3035 34 3 are be VBP doi-org-3035 34 4 not not RB doi-org-3035 34 5 without without IN doi-org-3035 34 6 pitfalls pitfall NNS doi-org-3035 34 7 . . . doi-org-3035 35 1 One one CD doi-org-3035 35 2 is be VBZ doi-org-3035 35 3 that that IN doi-org-3035 35 4 a a DT doi-org-3035 35 5 researcher researcher NN doi-org-3035 35 6 or or CC doi-org-3035 35 7 company company NN doi-org-3035 35 8 could could MD doi-org-3035 35 9 stop stop VB doi-org-3035 35 10 caring care VBG doi-org-3035 35 11 about about IN doi-org-3035 35 12 a a DT doi-org-3035 35 13 particular particular JJ doi-org-3035 35 14 tool tool NN doi-org-3035 35 15 for for IN doi-org-3035 35 16 various various JJ doi-org-3035 35 17 reasons reason NNS doi-org-3035 35 18 and and CC doi-org-3035 35 19 thus thus RB doi-org-3035 35 20 not not RB doi-org-3035 35 21 be be VB doi-org-3035 35 22 interested interested JJ doi-org-3035 35 23 in in IN doi-org-3035 35 24 updating update VBG doi-org-3035 35 25 its -PRON- PRP$ doi-org-3035 35 26 permanent permanent JJ doi-org-3035 35 27 identifier identifier NN doi-org-3035 35 28 . . . doi-org-3035 36 1 Another another DT doi-org-3035 36 2 is be VBZ doi-org-3035 36 3 that that IN doi-org-3035 36 4 the the DT doi-org-3035 36 5 one one NN doi-org-3035 36 6 wanting want VBG doi-org-3035 36 7 the the DT doi-org-3035 36 8 permanent permanent JJ doi-org-3035 36 9 URL URL NNP doi-org-3035 36 10 ( ( -LRB- doi-org-3035 36 11 the the DT doi-org-3035 36 12 publishing publishing NN doi-org-3035 36 13 author author NN doi-org-3035 36 14 ) ) -RRB- doi-org-3035 36 15 is be VBZ doi-org-3035 36 16 frequently frequently RB doi-org-3035 36 17 not not RB doi-org-3035 36 18 the the DT doi-org-3035 36 19 same same JJ doi-org-3035 36 20 as as IN doi-org-3035 36 21 the the DT doi-org-3035 36 22 person person NN doi-org-3035 36 23 administering administer VBG doi-org-3035 36 24 the the DT doi-org-3035 36 25 site site NN doi-org-3035 36 26 itself -PRON- PRP doi-org-3035 36 27 over over IN doi-org-3035 36 28 the the DT doi-org-3035 36 29 long long JJ doi-org-3035 36 30 term term NN doi-org-3035 36 31 , , , doi-org-3035 36 32 thus thus RB doi-org-3035 36 33 we -PRON- PRP doi-org-3035 36 34 have have VBP doi-org-3035 36 35 an an DT doi-org-3035 36 36 imbalance imbalance NN doi-org-3035 36 37 of of IN doi-org-3035 36 38 desire desire NN doi-org-3035 36 39 vs. vs. FW doi-org-3035 36 40 responsibilities responsibility NNS doi-org-3035 36 41 between between IN doi-org-3035 36 42 the the DT doi-org-3035 36 43 two two CD doi-org-3035 36 44 parties party NNS doi-org-3035 36 45 . . . doi-org-3035 37 1 A a DT doi-org-3035 37 2 third third JJ doi-org-3035 37 3 in in IN doi-org-3035 37 4 the the DT doi-org-3035 37 5 case case NN doi-org-3035 37 6 of of IN doi-org-3035 37 7 the the DT doi-org-3035 37 8 DOI DOI NNP doi-org-3035 37 9 System System NNP doi-org-3035 37 10 is be VBZ doi-org-3035 37 11 that that IN doi-org-3035 37 12 there there EX doi-org-3035 37 13 may may MD doi-org-3035 37 14 be be VB doi-org-3035 37 15 a a DT doi-org-3035 37 16 cost cost NN doi-org-3035 37 17 in in IN doi-org-3035 37 18 terms term NNS doi-org-3035 37 19 of of IN doi-org-3035 37 20 money money NN doi-org-3035 37 21 and and CC doi-org-3035 37 22 time time NN doi-org-3035 37 23 associated associate VBN doi-org-3035 37 24 with with IN doi-org-3035 37 25 registering register VBG doi-org-3035 37 26 their -PRON- PRP$ doi-org-3035 37 27 organization organization NN doi-org-3035 37 28 that that WDT doi-org-3035 37 29 could could MD doi-org-3035 37 30 be be VB doi-org-3035 37 31 prohibitive prohibitive JJ doi-org-3035 37 32 to to IN doi-org-3035 37 33 authors author NNS doi-org-3035 37 34 that that WDT doi-org-3035 37 35 do do VBP doi-org-3035 37 36 n't not RB doi-org-3035 37 37 already already RB doi-org-3035 37 38 have have VB doi-org-3035 37 39 access access NN doi-org-3035 37 40 to to IN doi-org-3035 37 41 a a DT doi-org-3035 37 42 Naming Naming NNP doi-org-3035 37 43 Authority[1 authority[1 NN doi-org-3035 37 44 ] ] -RRB- doi-org-3035 37 45 . . . doi-org-3035 38 1 One one CD doi-org-3035 38 2 example example NN doi-org-3035 38 3 of of IN doi-org-3035 38 4 a a DT doi-org-3035 38 5 DOI DOI NNP doi-org-3035 38 6 System System NNP doi-org-3035 38 7 business business NN doi-org-3035 38 8 model model NN doi-org-3035 38 9 would would MD doi-org-3035 38 10 be be VB doi-org-3035 38 11 that that DT doi-org-3035 38 12 of of IN doi-org-3035 38 13 the the DT doi-org-3035 38 14 California California NNP doi-org-3035 38 15 Digital Digital NNP doi-org-3035 38 16 Library Library NNP doi-org-3035 38 17 's 's POS doi-org-3035 38 18 EZID EZID NNP doi-org-3035 38 19 service service NN doi-org-3035 38 20 , , , doi-org-3035 38 21 which which WDT doi-org-3035 38 22 charges charge VBZ doi-org-3035 38 23 a a DT doi-org-3035 38 24 flat flat JJ doi-org-3035 38 25 rate rate NN doi-org-3035 38 26 ( ( -LRB- doi-org-3035 38 27 currently currently RB doi-org-3035 38 28 $ $ $ doi-org-3035 38 29 2,500 2,500 CD doi-org-3035 38 30 for for IN doi-org-3035 38 31 a a DT doi-org-3035 38 32 research research NN doi-org-3035 38 33 institution institution NN doi-org-3035 38 34 ) ) -RRB- doi-org-3035 38 35 for for IN doi-org-3035 38 36 up up IN doi-org-3035 38 37 to to TO doi-org-3035 38 38 1 1 CD doi-org-3035 38 39 million million CD doi-org-3035 38 40 DOIs doi NNS doi-org-3035 38 41 per per IN doi-org-3035 38 42 year[13 year[13 NNP doi-org-3035 38 43 ] ] -RRB- doi-org-3035 38 44 . . . doi-org-3035 39 1 In in IN doi-org-3035 39 2 this this DT doi-org-3035 39 3 study study NN doi-org-3035 39 4 , , , doi-org-3035 39 5 we -PRON- PRP doi-org-3035 39 6 ask ask VBP doi-org-3035 39 7 two two CD doi-org-3035 39 8 questions question NNS doi-org-3035 39 9 : : : doi-org-3035 39 10 what what WP doi-org-3035 39 11 are be VBP doi-org-3035 39 12 the the DT doi-org-3035 39 13 problem problem NN doi-org-3035 39 14 's 's POS doi-org-3035 39 15 characteristics characteristic NNS doi-org-3035 39 16 in in IN doi-org-3035 39 17 scientific scientific JJ doi-org-3035 39 18 literature literature NN doi-org-3035 39 19 as as IN doi-org-3035 39 20 a a DT doi-org-3035 39 21 whole whole NN doi-org-3035 39 22 and and CC doi-org-3035 39 23 how how WRB doi-org-3035 39 24 is be VBZ doi-org-3035 39 25 it -PRON- PRP doi-org-3035 39 26 being be VBG doi-org-3035 39 27 addressed address VBN doi-org-3035 39 28 ? ? . doi-org-3035 40 1 To to TO doi-org-3035 40 2 assess assess VB doi-org-3035 40 3 progress progress NN doi-org-3035 40 4 in in IN doi-org-3035 40 5 combating combat VBG doi-org-3035 40 6 the the DT doi-org-3035 40 7 problem problem NN doi-org-3035 40 8 , , , doi-org-3035 40 9 we -PRON- PRP doi-org-3035 40 10 evaluate evaluate VBP doi-org-3035 40 11 the the DT doi-org-3035 40 12 effectiveness effectiveness NN doi-org-3035 40 13 of of IN doi-org-3035 40 14 the the DT doi-org-3035 40 15 two two CD doi-org-3035 40 16 most most RBS doi-org-3035 40 17 prevalent prevalent JJ doi-org-3035 40 18 preservation preservation NN doi-org-3035 40 19 engines engine NNS doi-org-3035 40 20 : : : doi-org-3035 40 21 and and CC doi-org-3035 40 22 examine examine VB doi-org-3035 40 23 the the DT doi-org-3035 40 24 effectiveness effectiveness NN doi-org-3035 40 25 of of IN doi-org-3035 40 26 one one CD doi-org-3035 40 27 prototyped prototype VBN doi-org-3035 40 28 solution solution NN doi-org-3035 40 29 . . . doi-org-3035 41 1 If if IN doi-org-3035 41 2 a a DT doi-org-3035 41 3 URL URL NNP doi-org-3035 41 4 is be VBZ doi-org-3035 41 5 published publish VBN doi-org-3035 41 6 in in IN doi-org-3035 41 7 the the DT doi-org-3035 41 8 abstract abstract NN doi-org-3035 41 9 , , , doi-org-3035 41 10 it -PRON- PRP doi-org-3035 41 11 is be VBZ doi-org-3035 41 12 assumed assume VBN doi-org-3035 41 13 that that IN doi-org-3035 41 14 the the DT doi-org-3035 41 15 URL url NN doi-org-3035 41 16 plays play VBZ doi-org-3035 41 17 a a DT doi-org-3035 41 18 prominent prominent JJ doi-org-3035 41 19 role role NN doi-org-3035 41 20 within within IN doi-org-3035 41 21 that that DT doi-org-3035 41 22 paper paper NN doi-org-3035 41 23 , , , doi-org-3035 41 24 similar similar JJ doi-org-3035 41 25 to to IN doi-org-3035 41 26 the the DT doi-org-3035 41 27 rationale rationale NN doi-org-3035 41 28 proposed propose VBN doi-org-3035 41 29 by by IN doi-org-3035 41 30 Wren Wren NNP doi-org-3035 41 31 [ [ -LRB- doi-org-3035 41 32 4 4 CD doi-org-3035 41 33 ] ] -RRB- doi-org-3035 41 34 . . . doi-org-3035 42 1 Results result NNS doi-org-3035 42 2 Our -PRON- PRP$ doi-org-3035 42 3 goals goal NNS doi-org-3035 42 4 are be VBP doi-org-3035 42 5 to to TO doi-org-3035 42 6 provide provide VB doi-org-3035 42 7 some some DT doi-org-3035 42 8 metrics metric NNS doi-org-3035 42 9 that that WDT doi-org-3035 42 10 are be VBP doi-org-3035 42 11 useful useful JJ doi-org-3035 42 12 in in IN doi-org-3035 42 13 understanding understand VBG doi-org-3035 42 14 the the DT doi-org-3035 42 15 problem problem NN doi-org-3035 42 16 of of IN doi-org-3035 42 17 link link NN doi-org-3035 42 18 decay decay NN doi-org-3035 42 19 in in IN doi-org-3035 42 20 a a DT doi-org-3035 42 21 cross cross JJ doi-org-3035 42 22 - - JJ doi-org-3035 42 23 disciplinary disciplinary JJ doi-org-3035 42 24 fashion fashion NN doi-org-3035 42 25 and and CC doi-org-3035 42 26 to to TO doi-org-3035 42 27 examine examine VB doi-org-3035 42 28 the the DT doi-org-3035 42 29 effectiveness effectiveness NN doi-org-3035 42 30 of of IN doi-org-3035 42 31 the the DT doi-org-3035 42 32 existing exist VBG doi-org-3035 42 33 archival archival NN doi-org-3035 42 34 methods method NNS doi-org-3035 42 35 while while IN doi-org-3035 42 36 proposing propose VBG doi-org-3035 42 37 some some DT doi-org-3035 42 38 incremental incremental JJ doi-org-3035 42 39 improvements improvement NNS doi-org-3035 42 40 . . . doi-org-3035 43 1 To to TO doi-org-3035 43 2 accomplish accomplish VB doi-org-3035 43 3 these these DT doi-org-3035 43 4 tasks task NNS doi-org-3035 43 5 , , , doi-org-3035 43 6 we -PRON- PRP doi-org-3035 43 7 downloaded download VBD doi-org-3035 43 8 18,231 18,231 CD doi-org-3035 43 9 Web Web NNP doi-org-3035 43 10 of of IN doi-org-3035 43 11 Science Science NNP doi-org-3035 43 12 ( ( -LRB- doi-org-3035 43 13 WOS WOS NNP doi-org-3035 43 14 ) ) -RRB- doi-org-3035 43 15 abstracts abstract VBZ doi-org-3035 43 16 containing contain VBG doi-org-3035 43 17 " " `` doi-org-3035 43 18 http http NNS doi-org-3035 43 19 " " '' doi-org-3035 43 20 in in IN doi-org-3035 43 21 the the DT doi-org-3035 43 22 title title NN doi-org-3035 43 23 or or CC doi-org-3035 43 24 abstract abstract JJ doi-org-3035 43 25 from from IN doi-org-3035 43 26 the the DT doi-org-3035 43 27 years year NNS doi-org-3035 43 28 under under IN doi-org-3035 43 29 study study NN doi-org-3035 43 30 ( ( -LRB- doi-org-3035 43 31 1996 1996 CD doi-org-3035 43 32 - - SYM doi-org-3035 43 33 2010 2010 CD doi-org-3035 43 34 ) ) -RRB- doi-org-3035 43 35 , , , doi-org-3035 43 36 out out IN doi-org-3035 43 37 of of IN doi-org-3035 43 38 which which WDT doi-org-3035 43 39 17,110 17,110 CD doi-org-3035 43 40 URLs url NNS doi-org-3035 43 41 ( ( -LRB- doi-org-3035 43 42 14,489 14,489 CD doi-org-3035 43 43 unique unique JJ doi-org-3035 43 44 ) ) -RRB- doi-org-3035 43 45 were be VBD doi-org-3035 43 46 extracted extract VBN doi-org-3035 43 47 and and CC doi-org-3035 43 48 used use VBN doi-org-3035 43 49 . . . doi-org-3035 44 1 We -PRON- PRP doi-org-3035 44 2 developed develop VBD doi-org-3035 44 3 Python Python NNP doi-org-3035 44 4 scripts script NNS doi-org-3035 44 5 to to TO doi-org-3035 44 6 access access VB doi-org-3035 44 7 these these DT doi-org-3035 44 8 URLs url NNS doi-org-3035 44 9 over over IN doi-org-3035 44 10 a a DT doi-org-3035 44 11 30-day 30-day CD doi-org-3035 44 12 period period NN doi-org-3035 44 13 . . . doi-org-3035 45 1 For for IN doi-org-3035 45 2 the the DT doi-org-3035 45 3 period period NN doi-org-3035 45 4 studied study VBD doi-org-3035 45 5 , , , doi-org-3035 45 6 69 69 CD doi-org-3035 45 7 % % NN doi-org-3035 45 8 of of IN doi-org-3035 45 9 the the DT doi-org-3035 45 10 published publish VBN doi-org-3035 45 11 URLs url NNS doi-org-3035 45 12 ( ( -LRB- doi-org-3035 45 13 67 67 CD doi-org-3035 45 14 % % NN doi-org-3035 45 15 of of IN doi-org-3035 45 16 the the DT doi-org-3035 45 17 unique unique JJ doi-org-3035 45 18 ) ) -RRB- doi-org-3035 45 19 were be VBD doi-org-3035 45 20 available available JJ doi-org-3035 45 21 on on IN doi-org-3035 45 22 the the DT doi-org-3035 45 23 live live JJ doi-org-3035 45 24 Internet internet NN doi-org-3035 45 25 , , , doi-org-3035 45 26 the the DT doi-org-3035 45 27 Internet Internet NNP doi-org-3035 45 28 Archive Archive NNP doi-org-3035 45 29 's 's POS doi-org-3035 45 30 Wayback Wayback NNP doi-org-3035 45 31 Machine Machine NNP doi-org-3035 45 32 had have VBD doi-org-3035 45 33 archived archive VBN doi-org-3035 45 34 62 62 CD doi-org-3035 45 35 % % NN doi-org-3035 45 36 ( ( -LRB- doi-org-3035 45 37 59 59 CD doi-org-3035 45 38 % % NN doi-org-3035 45 39 unique unique JJ doi-org-3035 45 40 ) ) -RRB- doi-org-3035 45 41 of of IN doi-org-3035 45 42 the the DT doi-org-3035 45 43 total total NN doi-org-3035 45 44 and and CC doi-org-3035 45 45 WebCite WebCite NNP doi-org-3035 45 46 had have VBD doi-org-3035 45 47 21 21 CD doi-org-3035 45 48 % % NN doi-org-3035 45 49 ( ( -LRB- doi-org-3035 45 50 16 16 CD doi-org-3035 45 51 % % NN doi-org-3035 45 52 unique unique JJ doi-org-3035 45 53 ) ) -RRB- doi-org-3035 45 54 . . . doi-org-3035 46 1 Overall overall RB doi-org-3035 46 2 , , , doi-org-3035 46 3 65 65 CD doi-org-3035 46 4 % % NN doi-org-3035 46 5 of of IN doi-org-3035 46 6 all all DT doi-org-3035 46 7 URLs url NNS doi-org-3035 46 8 ( ( -LRB- doi-org-3035 46 9 62 62 CD doi-org-3035 46 10 % % NN doi-org-3035 46 11 unique unique JJ doi-org-3035 46 12 ) ) -RRB- doi-org-3035 46 13 were be VBD doi-org-3035 46 14 available available JJ doi-org-3035 46 15 from from IN doi-org-3035 46 16 one one CD doi-org-3035 46 17 of of IN doi-org-3035 46 18 the the DT doi-org-3035 46 19 two two CD doi-org-3035 46 20 surveyed survey VBN doi-org-3035 46 21 archival archival NN doi-org-3035 46 22 engines engine NNS doi-org-3035 46 23 . . . doi-org-3035 47 1 Figure figure NN doi-org-3035 47 2 2 2 CD doi-org-3035 47 3 contains contain VBZ doi-org-3035 47 4 a a DT doi-org-3035 47 5 breakdown breakdown NN doi-org-3035 47 6 by by IN doi-org-3035 47 7 year year NN doi-org-3035 47 8 for for IN doi-org-3035 47 9 availability availability NN doi-org-3035 47 10 on on IN doi-org-3035 47 11 the the DT doi-org-3035 47 12 live live JJ doi-org-3035 47 13 web web NN doi-org-3035 47 14 as as RB doi-org-3035 47 15 well well RB doi-org-3035 47 16 as as IN doi-org-3035 47 17 through through IN doi-org-3035 47 18 the the DT doi-org-3035 47 19 combined combine VBN doi-org-3035 47 20 archives archive NNS doi-org-3035 47 21 , , , doi-org-3035 47 22 and and CC doi-org-3035 47 23 Figure figure NN doi-org-3035 47 24 3 3 CD doi-org-3035 47 25 illustrates illustrate VBZ doi-org-3035 47 26 each each DT doi-org-3035 47 27 archival archival NN doi-org-3035 47 28 engine engine NN doi-org-3035 47 29 's 's POS doi-org-3035 47 30 coverage coverage NN doi-org-3035 47 31 . . . doi-org-3035 48 1 The the DT doi-org-3035 48 2 median median JJ doi-org-3035 48 3 lifetime lifetime NN doi-org-3035 48 4 for for IN doi-org-3035 48 5 published publish VBN doi-org-3035 48 6 URLs URLs NNP doi-org-3035 48 7 was be VBD doi-org-3035 48 8 found find VBN doi-org-3035 48 9 to to TO doi-org-3035 48 10 be be VB doi-org-3035 48 11 9.3 9.3 CD doi-org-3035 48 12 years year NNS doi-org-3035 48 13 ( ( -LRB- doi-org-3035 48 14 95 95 CD doi-org-3035 48 15 % % NN doi-org-3035 48 16 CI CI NNP doi-org-3035 48 17 [ [ -LRB- doi-org-3035 48 18 9.3,10.0 9.3,10.0 CD doi-org-3035 48 19 ] ] -RRB- doi-org-3035 48 20 ) ) -RRB- doi-org-3035 48 21 , , , doi-org-3035 48 22 with with IN doi-org-3035 48 23 the the DT doi-org-3035 48 24 median median JJ doi-org-3035 48 25 lifetime lifetime NN doi-org-3035 48 26 amongst amongst IN doi-org-3035 48 27 unique unique JJ doi-org-3035 48 28 URLs url NNS doi-org-3035 48 29 also also RB doi-org-3035 48 30 being be VBG doi-org-3035 48 31 9.3 9.3 CD doi-org-3035 48 32 years year NNS doi-org-3035 48 33 ( ( -LRB- doi-org-3035 48 34 95 95 CD doi-org-3035 48 35 % % NN doi-org-3035 48 36 CI CI NNP doi-org-3035 48 37 [ [ -LRB- doi-org-3035 48 38 9.3,9.3 9.3,9.3 CD doi-org-3035 48 39 ] ] -RRB- doi-org-3035 48 40 ) ) -RRB- doi-org-3035 48 41 . . . doi-org-3035 49 1 Subject subject JJ doi-org-3035 49 2 - - HYPH doi-org-3035 49 3 specific specific JJ doi-org-3035 49 4 lifetimes lifetime NNS doi-org-3035 49 5 may may MD doi-org-3035 49 6 be be VB doi-org-3035 49 7 found find VBN doi-org-3035 49 8 in in IN doi-org-3035 49 9 Table table NN doi-org-3035 49 10 2 2 CD doi-org-3035 49 11 . . . doi-org-3035 50 1 Using use VBG doi-org-3035 50 2 a a DT doi-org-3035 50 3 simple simple JJ doi-org-3035 50 4 linear linear JJ doi-org-3035 50 5 model model NN doi-org-3035 50 6 , , , doi-org-3035 50 7 the the DT doi-org-3035 50 8 chances chance NNS doi-org-3035 50 9 that that IN doi-org-3035 50 10 a a DT doi-org-3035 50 11 URL URL NNP doi-org-3035 50 12 published publish VBN doi-org-3035 50 13 in in IN doi-org-3035 50 14 a a DT doi-org-3035 50 15 particular particular JJ doi-org-3035 50 16 year year NN doi-org-3035 50 17 is be VBZ doi-org-3035 50 18 still still RB doi-org-3035 50 19 available available JJ doi-org-3035 50 20 goes go VBZ doi-org-3035 50 21 down down RB doi-org-3035 50 22 by by IN doi-org-3035 50 23 3.7 3.7 CD doi-org-3035 50 24 % % NN doi-org-3035 50 25 for for IN doi-org-3035 50 26 each each DT doi-org-3035 50 27 year year NN doi-org-3035 50 28 added add VBN doi-org-3035 50 29 to to IN doi-org-3035 50 30 its -PRON- PRP$ doi-org-3035 50 31 age age NN doi-org-3035 50 32 with with IN doi-org-3035 50 33 an an DT doi-org-3035 50 34 R2 r2 NN doi-org-3035 50 35 of of IN doi-org-3035 50 36 0.96 0.96 CD doi-org-3035 50 37 . . . doi-org-3035 51 1 Its -PRON- PRP$ doi-org-3035 51 2 chances chance NNS doi-org-3035 51 3 of of IN doi-org-3035 51 4 being be VBG doi-org-3035 51 5 archived archive VBN doi-org-3035 51 6 go go VB doi-org-3035 51 7 up up RB doi-org-3035 51 8 after after IN doi-org-3035 51 9 an an DT doi-org-3035 51 10 initial initial JJ doi-org-3035 51 11 period period NN doi-org-3035 51 12 of of IN doi-org-3035 51 13 flux flux NN doi-org-3035 51 14 ( ( -LRB- doi-org-3035 51 15 see see VB doi-org-3035 51 16 Figure Figure NNP doi-org-3035 51 17 2 2 CD doi-org-3035 51 18 ) ) -RRB- doi-org-3035 51 19 . . . doi-org-3035 52 1 Submitting submit VBG doi-org-3035 52 2 our -PRON- PRP$ doi-org-3035 52 3 list list NN doi-org-3035 52 4 of of IN doi-org-3035 52 5 unarchived unarchived JJ doi-org-3035 52 6 but but CC doi-org-3035 52 7 living live VBG doi-org-3035 52 8 URLs url NNS doi-org-3035 52 9 to to IN doi-org-3035 52 10 the the DT doi-org-3035 52 11 archival archival NN doi-org-3035 52 12 engines engine NNS doi-org-3035 52 13 showed show VBD doi-org-3035 52 14 dramatic dramatic JJ doi-org-3035 52 15 promise promise NN doi-org-3035 52 16 , , , doi-org-3035 52 17 increasing increase VBG doi-org-3035 52 18 the the DT doi-org-3035 52 19 Internet Internet NNP doi-org-3035 52 20 Archive Archive NNP doi-org-3035 52 21 's 's POS doi-org-3035 52 22 coverage coverage NN doi-org-3035 52 23 of of IN doi-org-3035 52 24 the the DT doi-org-3035 52 25 dataset dataset NN doi-org-3035 52 26 by by IN doi-org-3035 52 27 2080 2080 CD doi-org-3035 52 28 URLs URLs NNPS doi-org-3035 52 29 , , , doi-org-3035 52 30 an an DT doi-org-3035 52 31 increase increase NN doi-org-3035 52 32 of of IN doi-org-3035 52 33 22 22 CD doi-org-3035 52 34 % % NN doi-org-3035 52 35 , , , doi-org-3035 52 36 and and CC doi-org-3035 52 37 WebCite WebCite NNP doi-org-3035 52 38 's 's POS doi-org-3035 52 39 by by IN doi-org-3035 52 40 6348 6348 CD doi-org-3035 52 41 , , , doi-org-3035 52 42 an an DT doi-org-3035 52 43 increase increase NN doi-org-3035 52 44 of of IN doi-org-3035 52 45 255 255 CD doi-org-3035 52 46 % % NN doi-org-3035 52 47 . . . doi-org-3035 53 1 Figure figure NN doi-org-3035 53 2 2 2 CD doi-org-3035 53 3 The the DT doi-org-3035 53 4 accessibility accessibility NN doi-org-3035 53 5 of of IN doi-org-3035 53 6 URLs url NNS doi-org-3035 53 7 from from IN doi-org-3035 53 8 a a DT doi-org-3035 53 9 particular particular JJ doi-org-3035 53 10 year year NN doi-org-3035 53 11 is be VBZ doi-org-3035 53 12 closely closely RB doi-org-3035 53 13 correlated correlate VBN doi-org-3035 53 14 with with IN doi-org-3035 53 15 age age NN doi-org-3035 53 16 . . . doi-org-3035 54 1 The the DT doi-org-3035 54 2 probability probability NN doi-org-3035 54 3 of of IN doi-org-3035 54 4 being be VBG doi-org-3035 54 5 available available JJ doi-org-3035 54 6 ( ( -LRB- doi-org-3035 54 7 solid solid JJ doi-org-3035 54 8 line line NN doi-org-3035 54 9 ) ) -RRB- doi-org-3035 54 10 declines decline VBZ doi-org-3035 54 11 by by IN doi-org-3035 54 12 3.7 3.7 CD doi-org-3035 54 13 % % NN doi-org-3035 54 14 every every DT doi-org-3035 54 15 year year NN doi-org-3035 54 16 based base VBN doi-org-3035 54 17 on on IN doi-org-3035 54 18 a a DT doi-org-3035 54 19 linear linear JJ doi-org-3035 54 20 model model NN doi-org-3035 54 21 with with IN doi-org-3035 54 22 R2 R2 NNP doi-org-3035 54 23 0.96 0.96 CD doi-org-3035 54 24 . . . doi-org-3035 55 1 The the DT doi-org-3035 55 2 surveyed survey VBN doi-org-3035 55 3 archival archival NN doi-org-3035 55 4 engines engine NNS doi-org-3035 55 5 have have VBP doi-org-3035 55 6 about about RB doi-org-3035 55 7 a a DT doi-org-3035 55 8 70 70 CD doi-org-3035 55 9 - - SYM doi-org-3035 55 10 80 80 CD doi-org-3035 55 11 % % NN doi-org-3035 55 12 archival archival NN doi-org-3035 55 13 rate rate NN doi-org-3035 55 14 ( ( -LRB- doi-org-3035 55 15 dotted dotted JJ doi-org-3035 55 16 line line NN doi-org-3035 55 17 ) ) -RRB- doi-org-3035 55 18 following follow VBG doi-org-3035 55 19 an an DT doi-org-3035 55 20 initial initial JJ doi-org-3035 55 21 ramp ramp NN doi-org-3035 55 22 time time NN doi-org-3035 55 23 . . . doi-org-3035 56 1 Full full JJ doi-org-3035 56 2 size size NN doi-org-3035 56 3 image image NN doi-org-3035 56 4 Figure figure NN doi-org-3035 56 5 3 3 CD doi-org-3035 56 6 URL URL NNP doi-org-3035 56 7 presence presence NN doi-org-3035 56 8 in in IN doi-org-3035 56 9 the the DT doi-org-3035 56 10 archives archive NNS doi-org-3035 56 11 . . . doi-org-3035 57 1 Percentage percentage NN doi-org-3035 57 2 of of IN doi-org-3035 57 3 URLs url NNS doi-org-3035 57 4 found find VBN doi-org-3035 57 5 in in IN doi-org-3035 57 6 the the DT doi-org-3035 57 7 archives archive NNS doi-org-3035 57 8 of of IN doi-org-3035 57 9 the the DT doi-org-3035 57 10 Internet Internet NNP doi-org-3035 57 11 Archive Archive NNP doi-org-3035 57 12 ( ( -LRB- doi-org-3035 57 13 dashed dash VBN doi-org-3035 57 14 line line NN doi-org-3035 57 15 ) ) -RRB- doi-org-3035 57 16 , , , doi-org-3035 57 17 WebCite WebCite NNP doi-org-3035 57 18 ( ( -LRB- doi-org-3035 57 19 dotted dotted JJ doi-org-3035 57 20 line line NN doi-org-3035 57 21 ) ) -RRB- doi-org-3035 57 22 or or CC doi-org-3035 57 23 in in IN doi-org-3035 57 24 any any DT doi-org-3035 57 25 group group NN doi-org-3035 57 26 ( ( -LRB- doi-org-3035 57 27 solid solid JJ doi-org-3035 57 28 line line NN doi-org-3035 57 29 ) ) -RRB- doi-org-3035 57 30 . . . doi-org-3035 58 1 IA IA NNP doi-org-3035 58 2 is be VBZ doi-org-3035 58 3 older old JJR doi-org-3035 58 4 , , , doi-org-3035 58 5 and and CC doi-org-3035 58 6 thus thus RB doi-org-3035 58 7 accounts account VBZ doi-org-3035 58 8 for for IN doi-org-3035 58 9 the the DT doi-org-3035 58 10 lion lion NN doi-org-3035 58 11 's 's POS doi-org-3035 58 12 share share NN doi-org-3035 58 13 of of IN doi-org-3035 58 14 earlier early RBR doi-org-3035 58 15 published publish VBN doi-org-3035 58 16 URLs url NNS doi-org-3035 58 17 , , , doi-org-3035 58 18 though though IN doi-org-3035 58 19 as as IN doi-org-3035 58 20 time time NN doi-org-3035 58 21 goes go VBZ doi-org-3035 58 22 on on IN doi-org-3035 58 23 WebCite WebCite NNP doi-org-3035 58 24 is be VBZ doi-org-3035 58 25 offering offer VBG doi-org-3035 58 26 more more JJR doi-org-3035 58 27 and and CC doi-org-3035 58 28 more more RBR doi-org-3035 58 29 . . . doi-org-3035 59 1 Full full JJ doi-org-3035 59 2 size size NN doi-org-3035 59 3 image image NN doi-org-3035 59 4 Table table NN doi-org-3035 59 5 2 2 CD doi-org-3035 59 6 Comparison Comparison NNP doi-org-3035 59 7 of of IN doi-org-3035 59 8 certain certain JJ doi-org-3035 59 9 statistics statistic NNS doi-org-3035 59 10 based base VBN doi-org-3035 59 11 on on IN doi-org-3035 59 12 the the DT doi-org-3035 59 13 subject subject NN doi-org-3035 59 14 of of IN doi-org-3035 59 15 a a DT doi-org-3035 59 16 given give VBN doi-org-3035 59 17 URL.Full url.full JJ doi-org-3035 59 18 size size NN doi-org-3035 59 19 table table NN doi-org-3035 59 20 How how WRB doi-org-3035 59 21 common common JJ doi-org-3035 59 22 are be VBP doi-org-3035 59 23 published publish VBN doi-org-3035 59 24 , , , doi-org-3035 59 25 scholarly scholarly JJ doi-org-3035 59 26 online online JJ doi-org-3035 59 27 resources resource NNS doi-org-3035 59 28 ? ? . doi-org-3035 60 1 For for IN doi-org-3035 60 2 WOS WOS NNP doi-org-3035 60 3 , , , doi-org-3035 60 4 both both CC doi-org-3035 60 5 the the DT doi-org-3035 60 6 percentage percentage NN doi-org-3035 60 7 of of IN doi-org-3035 60 8 published publish VBN doi-org-3035 60 9 items item NNS doi-org-3035 60 10 which which WDT doi-org-3035 60 11 contained contain VBD doi-org-3035 60 12 a a DT doi-org-3035 60 13 URL url NN doi-org-3035 60 14 as as RB doi-org-3035 60 15 well well RB doi-org-3035 60 16 as as IN doi-org-3035 60 17 their -PRON- PRP$ doi-org-3035 60 18 absolute absolute JJ doi-org-3035 60 19 number number NN doi-org-3035 60 20 increased increase VBD doi-org-3035 60 21 steadily steadily RB doi-org-3035 60 22 since since IN doi-org-3035 60 23 1996 1996 CD doi-org-3035 60 24 as as IN doi-org-3035 60 25 seen see VBN doi-org-3035 60 26 in in IN doi-org-3035 60 27 Figure Figure NNP doi-org-3035 60 28 1 1 CD doi-org-3035 60 29 . . . doi-org-3035 61 1 Simple simple JJ doi-org-3035 61 2 linear linear JJ doi-org-3035 61 3 fits fit NNS doi-org-3035 61 4 showed show VBD doi-org-3035 61 5 the the DT doi-org-3035 61 6 former former JJ doi-org-3035 61 7 's 's POS doi-org-3035 61 8 annual annual JJ doi-org-3035 61 9 increase increase NN doi-org-3035 61 10 at at IN doi-org-3035 61 11 a a DT doi-org-3035 61 12 conservative conservative JJ doi-org-3035 61 13 0.010 0.010 CD doi-org-3035 61 14 % % NN doi-org-3035 61 15 per per IN doi-org-3035 61 16 year year NN doi-org-3035 61 17 with with IN doi-org-3035 61 18 an an DT doi-org-3035 61 19 R2 r2 NN doi-org-3035 61 20 of of IN doi-org-3035 61 21 0.98 0.98 CD doi-org-3035 61 22 while while IN doi-org-3035 61 23 the the DT doi-org-3035 61 24 latter latter NN doi-org-3035 61 25 's 's POS doi-org-3035 61 26 increase increase NN doi-org-3035 61 27 was be VBD doi-org-3035 61 28 174 174 CD doi-org-3035 61 29 papers paper NNS doi-org-3035 61 30 with with IN doi-org-3035 61 31 an an DT doi-org-3035 61 32 R2 r2 NN doi-org-3035 61 33 of of IN doi-org-3035 61 34 0.97 0.97 CD doi-org-3035 61 35 . . . doi-org-3035 62 1 A a DT doi-org-3035 62 2 total total NN doi-org-3035 62 3 of of IN doi-org-3035 62 4 189 189 CD doi-org-3035 62 5 ( ( -LRB- doi-org-3035 62 6 167 167 CD doi-org-3035 62 7 unique unique JJ doi-org-3035 62 8 ) ) -RRB- doi-org-3035 62 9 DOI DOI NNP doi-org-3035 62 10 URLs URLs NNPS doi-org-3035 62 11 were be VBD doi-org-3035 62 12 identified identify VBN doi-org-3035 62 13 , , , doi-org-3035 62 14 consisting consist VBG doi-org-3035 62 15 of of IN doi-org-3035 62 16 1 1 CD doi-org-3035 62 17 % % NN doi-org-3035 62 18 of of IN doi-org-3035 62 19 the the DT doi-org-3035 62 20 total total NN doi-org-3035 62 21 , , , doi-org-3035 62 22 while while IN doi-org-3035 62 23 9 9 CD doi-org-3035 62 24 PURLs purl NNS doi-org-3035 62 25 ( ( -LRB- doi-org-3035 62 26 8 8 CD doi-org-3035 62 27 unique unique JJ doi-org-3035 62 28 ) ) -RRB- doi-org-3035 62 29 were be VBD doi-org-3035 62 30 identified identify VBN doi-org-3035 62 31 . . . doi-org-3035 63 1 Due due IN doi-org-3035 63 2 to to IN doi-org-3035 63 3 cost[14 cost[14 NN doi-org-3035 63 4 ] ] -RRB- doi-org-3035 63 5 , , , doi-org-3035 63 6 it -PRON- PRP doi-org-3035 63 7 is be VBZ doi-org-3035 63 8 likely likely JJ doi-org-3035 63 9 that that IN doi-org-3035 63 10 DOIs doi NNS doi-org-3035 63 11 will will MD doi-org-3035 63 12 remain remain VB doi-org-3035 63 13 useful useful JJ doi-org-3035 63 14 for for IN doi-org-3035 63 15 tracking track VBG doi-org-3035 63 16 commercially commercially RB doi-org-3035 63 17 published publish VBN doi-org-3035 63 18 content content NN doi-org-3035 63 19 though though IN doi-org-3035 63 20 not not RB doi-org-3035 63 21 the the DT doi-org-3035 63 22 scholarly scholarly JJ doi-org-3035 63 23 online online JJ doi-org-3035 63 24 items item NNS doi-org-3035 63 25 independent independent JJ doi-org-3035 63 26 of of IN doi-org-3035 63 27 those those DT doi-org-3035 63 28 publishers publisher NNS doi-org-3035 63 29 . . . doi-org-3035 64 1 URL url NN doi-org-3035 64 2 survival survival NN doi-org-3035 64 3 In in IN doi-org-3035 64 4 order order NN doi-org-3035 64 5 to to TO doi-org-3035 64 6 shed shed VB doi-org-3035 64 7 some some DT doi-org-3035 64 8 light light NN doi-org-3035 64 9 on on IN doi-org-3035 64 10 the the DT doi-org-3035 64 11 underlying underlie VBG doi-org-3035 64 12 phenomena phenomenon NNS doi-org-3035 64 13 of of IN doi-org-3035 64 14 link link NN doi-org-3035 64 15 rot rot NNP doi-org-3035 64 16 , , , doi-org-3035 64 17 a a DT doi-org-3035 64 18 survival survival NN doi-org-3035 64 19 regression regression NN doi-org-3035 64 20 model model NN doi-org-3035 64 21 was be VBD doi-org-3035 64 22 fitted fit VBN doi-org-3035 64 23 with with IN doi-org-3035 64 24 data datum NNS doi-org-3035 64 25 from from IN doi-org-3035 64 26 the the DT doi-org-3035 64 27 unique unique JJ doi-org-3035 64 28 URLs url NNS doi-org-3035 64 29 . . . doi-org-3035 65 1 This this DT doi-org-3035 65 2 model model NN doi-org-3035 65 3 , , , doi-org-3035 65 4 shown show VBN doi-org-3035 65 5 in in IN doi-org-3035 65 6 Table Table NNP doi-org-3035 65 7 3 3 CD doi-org-3035 65 8 , , , doi-org-3035 65 9 identified identify VBD doi-org-3035 65 10 17 17 CD doi-org-3035 65 11 top top JJ doi-org-3035 65 12 - - HYPH doi-org-3035 65 13 level level NN doi-org-3035 65 14 domains domain NNS doi-org-3035 65 15 , , , doi-org-3035 65 16 the the DT doi-org-3035 65 17 number number NN doi-org-3035 65 18 of of IN doi-org-3035 65 19 times time NNS doi-org-3035 65 20 a a DT doi-org-3035 65 21 URL URL NNP doi-org-3035 65 22 has have VBZ doi-org-3035 65 23 been be VBN doi-org-3035 65 24 published publish VBN doi-org-3035 65 25 , , , doi-org-3035 65 26 a a DT doi-org-3035 65 27 URL URL NNP doi-org-3035 65 28 's 's POS doi-org-3035 65 29 directory directory NN doi-org-3035 65 30 structure structure NN doi-org-3035 65 31 depth depth NN doi-org-3035 65 32 ( ( -LRB- doi-org-3035 65 33 hereafter hereafter RB doi-org-3035 65 34 referred refer VBN doi-org-3035 65 35 to to IN doi-org-3035 65 36 as as IN doi-org-3035 65 37 " " `` doi-org-3035 65 38 depth depth NN doi-org-3035 65 39 " " '' doi-org-3035 65 40 , , , doi-org-3035 65 41 using use VBG doi-org-3035 65 42 the the DT doi-org-3035 65 43 same same JJ doi-org-3035 65 44 definition definition NN doi-org-3035 65 45 as as IN doi-org-3035 65 46 [ [ -LRB- doi-org-3035 65 47 15 15 CD doi-org-3035 65 48 ] ] -RRB- doi-org-3035 65 49 ) ) -RRB- doi-org-3035 65 50 , , , doi-org-3035 65 51 the the DT doi-org-3035 65 52 number number NN doi-org-3035 65 53 of of IN doi-org-3035 65 54 times time NNS doi-org-3035 65 55 the the DT doi-org-3035 65 56 publishing publishing NN doi-org-3035 65 57 article(s article(s NNP doi-org-3035 65 58 ) ) -RRB- doi-org-3035 65 59 has have VBZ doi-org-3035 65 60 been be VBN doi-org-3035 65 61 cited cite VBN doi-org-3035 65 62 , , , doi-org-3035 65 63 whether whether IN doi-org-3035 65 64 articles article NNS doi-org-3035 65 65 contain contain VBP doi-org-3035 65 66 funding funding NN doi-org-3035 65 67 text text NN doi-org-3035 65 68 as as RB doi-org-3035 65 69 well well RB doi-org-3035 65 70 as as IN doi-org-3035 65 71 4 4 CD doi-org-3035 65 72 journals journal NNS doi-org-3035 65 73 as as IN doi-org-3035 65 74 having have VBG doi-org-3035 65 75 a a DT doi-org-3035 65 76 significant significant JJ doi-org-3035 65 77 impact impact NN doi-org-3035 65 78 on on IN doi-org-3035 65 79 a a DT doi-org-3035 65 80 URL URL NNP doi-org-3035 65 81 's 's POS doi-org-3035 65 82 lifetime lifetime NN doi-org-3035 65 83 at at IN doi-org-3035 65 84 the the DT doi-org-3035 65 85 P p NN doi-org-3035 65 86 < < XX doi-org-3035 65 87 0.001 0.001 CD doi-org-3035 65 88 level level NN doi-org-3035 65 89 . . . doi-org-3035 66 1 This this DT doi-org-3035 66 2 survival survival NN doi-org-3035 66 3 regression regression NN doi-org-3035 66 4 used use VBD doi-org-3035 66 5 the the DT doi-org-3035 66 6 logistic logistic JJ doi-org-3035 66 7 distribution distribution NN doi-org-3035 66 8 and and CC doi-org-3035 66 9 is be VBZ doi-org-3035 66 10 interpreted interpret VBN doi-org-3035 66 11 similarly similarly RB doi-org-3035 66 12 to to IN doi-org-3035 66 13 logistic logistic JJ doi-org-3035 66 14 models model NNS doi-org-3035 66 15 . . . doi-org-3035 67 1 To to TO doi-org-3035 67 2 determine determine VB doi-org-3035 67 3 the the DT doi-org-3035 67 4 predicted predict VBN doi-org-3035 67 5 outcome outcome NN doi-org-3035 67 6 for for IN doi-org-3035 67 7 a a DT doi-org-3035 67 8 particular particular JJ doi-org-3035 67 9 URL url NN doi-org-3035 67 10 , , , doi-org-3035 67 11 one one NN doi-org-3035 67 12 takes take VBZ doi-org-3035 67 13 the the DT doi-org-3035 67 14 intercept intercept NN doi-org-3035 67 15 ( ( -LRB- doi-org-3035 67 16 5.2 5.2 CD doi-org-3035 67 17 ) ) -RRB- doi-org-3035 67 18 and and CC doi-org-3035 67 19 adds add VBZ doi-org-3035 67 20 to to IN doi-org-3035 67 21 it -PRON- PRP doi-org-3035 67 22 the the DT doi-org-3035 67 23 coefficients coefficient NNS doi-org-3035 67 24 for for IN doi-org-3035 67 25 the the DT doi-org-3035 67 26 individual individual JJ doi-org-3035 67 27 predictors predictor NNS doi-org-3035 67 28 if if IN doi-org-3035 67 29 those those DT doi-org-3035 67 30 predictors predictor NNS doi-org-3035 67 31 are be VBP doi-org-3035 67 32 different different JJ doi-org-3035 67 33 from from IN doi-org-3035 67 34 the the DT doi-org-3035 67 35 base base NN doi-org-3035 67 36 level level NN doi-org-3035 67 37 ; ; : doi-org-3035 67 38 coefficients coefficient NNS doi-org-3035 67 39 here here RB doi-org-3035 67 40 are be VBP doi-org-3035 67 41 given give VBN doi-org-3035 67 42 in in IN doi-org-3035 67 43 years year NNS doi-org-3035 67 44 . . . doi-org-3035 68 1 If if IN doi-org-3035 68 2 numeric numeric JJ doi-org-3035 68 3 , , , doi-org-3035 68 4 one one CD doi-org-3035 68 5 first first JJ doi-org-3035 68 6 multiplies multiplie NNS doi-org-3035 68 7 before before IN doi-org-3035 68 8 adding add VBG doi-org-3035 68 9 . . . doi-org-3035 69 1 The the DT doi-org-3035 69 2 result result NN doi-org-3035 69 3 is be VBZ doi-org-3035 69 4 then then RB doi-org-3035 69 5 interpreted interpret VBN doi-org-3035 69 6 as as IN doi-org-3035 69 7 the the DT doi-org-3035 69 8 location location NN doi-org-3035 69 9 of of IN doi-org-3035 69 10 the the DT doi-org-3035 69 11 peak peak NN doi-org-3035 69 12 of of IN doi-org-3035 69 13 a a DT doi-org-3035 69 14 bell bell NN doi-org-3035 69 15 curve curve NN doi-org-3035 69 16 for for IN doi-org-3035 69 17 the the DT doi-org-3035 69 18 expected expected JJ doi-org-3035 69 19 lifetime lifetime NN doi-org-3035 69 20 , , , doi-org-3035 69 21 instead instead RB doi-org-3035 69 22 of of IN doi-org-3035 69 23 a a DT doi-org-3035 69 24 log log NN doi-org-3035 69 25 odds odd NNS doi-org-3035 69 26 ratio ratio NN doi-org-3035 69 27 as as IN doi-org-3035 69 28 a a DT doi-org-3035 69 29 regular regular JJ doi-org-3035 69 30 logistic logistic JJ doi-org-3035 69 31 model model NN doi-org-3035 69 32 would would MD doi-org-3035 69 33 give give VB doi-org-3035 69 34 . . . doi-org-3035 70 1 Among among IN doi-org-3035 70 2 the the DT doi-org-3035 70 3 two two CD doi-org-3035 70 4 categorical categorical JJ doi-org-3035 70 5 predictors predictor NNS doi-org-3035 70 6 ( ( -LRB- doi-org-3035 70 7 domains domain NNS doi-org-3035 70 8 and and CC doi-org-3035 70 9 journals journal NNS doi-org-3035 70 10 having have VBG doi-org-3035 70 11 more more JJR doi-org-3035 70 12 than than IN doi-org-3035 70 13 100 100 CD doi-org-3035 70 14 samples sample NNS doi-org-3035 70 15 ) ) -RRB- doi-org-3035 70 16 , , , doi-org-3035 70 17 the the DT doi-org-3035 70 18 three three CD doi-org-3035 70 19 having have VBG doi-org-3035 70 20 the the DT doi-org-3035 70 21 largest large JJS doi-org-3035 70 22 positive positive JJ doi-org-3035 70 23 impact impact NN doi-org-3035 70 24 on on IN doi-org-3035 70 25 lifetimes lifetime NNS doi-org-3035 70 26 were be VBD doi-org-3035 70 27 the the DT doi-org-3035 70 28 journal journal NN doi-org-3035 70 29 Zoological Zoological NNP doi-org-3035 70 30 Studies Studies NNP doi-org-3035 70 31 ( ( -LRB- doi-org-3035 70 32 +16 +16 NNP doi-org-3035 70 33 ) ) -RRB- doi-org-3035 70 34 and and CC doi-org-3035 70 35 the the DT doi-org-3035 70 36 top top JJ doi-org-3035 70 37 - - HYPH doi-org-3035 70 38 level level NN doi-org-3035 70 39 domains domain NNS doi-org-3035 70 40 org org NN doi-org-3035 70 41 and and CC doi-org-3035 70 42 dk dk NNP doi-org-3035 70 43 ( ( -LRB- doi-org-3035 70 44 +8 +8 JJ doi-org-3035 70 45 for for IN doi-org-3035 70 46 both both DT doi-org-3035 70 47 ) ) -RRB- doi-org-3035 70 48 . . . doi-org-3035 71 1 Though though IN doi-org-3035 71 2 smaller small JJR doi-org-3035 71 3 in in IN doi-org-3035 71 4 magnitude magnitude NN doi-org-3035 71 5 than than IN doi-org-3035 71 6 the the DT doi-org-3035 71 7 positive positive JJ doi-org-3035 71 8 ones one NNS doi-org-3035 71 9 , , , doi-org-3035 71 10 the the DT doi-org-3035 71 11 3 3 CD doi-org-3035 71 12 categorical categorical JJ doi-org-3035 71 13 predictors predictor NNS doi-org-3035 71 14 having have VBG doi-org-3035 71 15 the the DT doi-org-3035 71 16 largest large JJS doi-org-3035 71 17 negative negative JJ doi-org-3035 71 18 impact impact NN doi-org-3035 71 19 were be VBD doi-org-3035 71 20 the the DT doi-org-3035 71 21 journals journal NNS doi-org-3035 71 22 Computer Computer NNP doi-org-3035 71 23 Physics Physics NNP doi-org-3035 71 24 Communications Communications NNPS doi-org-3035 71 25 ( ( -LRB- doi-org-3035 71 26 -4 -4 FW doi-org-3035 71 27 ) ) -RRB- doi-org-3035 71 28 and and CC doi-org-3035 71 29 Bioinformatics Bioinformatics NNP doi-org-3035 71 30 ( ( -LRB- doi-org-3035 71 31 -2 -2 : doi-org-3035 71 32 ) ) -RRB- doi-org-3035 71 33 as as RB doi-org-3035 71 34 well well RB doi-org-3035 71 35 as as IN doi-org-3035 71 36 the the DT doi-org-3035 71 37 domain domain NN doi-org-3035 71 38 kr kr FW doi-org-3035 71 39 ( ( -LRB- doi-org-3035 71 40 -3 -3 NNP doi-org-3035 71 41 ) ) -RRB- doi-org-3035 71 42 , , , doi-org-3035 71 43 though though IN doi-org-3035 71 44 the the DT doi-org-3035 71 45 P p NN doi-org-3035 71 46 values value NNS doi-org-3035 71 47 associated associate VBN doi-org-3035 71 48 with with IN doi-org-3035 71 49 the the DT doi-org-3035 71 50 latter latter JJ doi-org-3035 71 51 two two CD doi-org-3035 71 52 are be VBP doi-org-3035 71 53 more more RBR doi-org-3035 71 54 marginal marginal JJ doi-org-3035 71 55 than than IN doi-org-3035 71 56 some some DT doi-org-3035 71 57 of of IN doi-org-3035 71 58 the the DT doi-org-3035 71 59 others other NNS doi-org-3035 71 60 ( ( -LRB- doi-org-3035 71 61 .006 .006 CD doi-org-3035 71 62 and and CC doi-org-3035 71 63 .02 .02 NFP doi-org-3035 71 64 respectively respectively RB doi-org-3035 71 65 ) ) -RRB- doi-org-3035 71 66 . . . doi-org-3035 72 1 Table table NN doi-org-3035 72 2 3 3 CD doi-org-3035 72 3 Results result NNS doi-org-3035 72 4 of of IN doi-org-3035 72 5 fitting fit VBG doi-org-3035 72 6 a a DT doi-org-3035 72 7 parametric parametric JJ doi-org-3035 72 8 survival survival NN doi-org-3035 72 9 regression regression NN doi-org-3035 72 10 using use VBG doi-org-3035 72 11 the the DT doi-org-3035 72 12 logistic logistic JJ doi-org-3035 72 13 distribution distribution NN doi-org-3035 72 14 to to IN doi-org-3035 72 15 the the DT doi-org-3035 72 16 unique unique JJ doi-org-3035 72 17 URLs url NNS doi-org-3035 72 18 . . . doi-org-3035 72 19 Full full JJ doi-org-3035 72 20 size size NN doi-org-3035 72 21 table table NN doi-org-3035 72 22 Predictors predictor NNS doi-org-3035 72 23 of of IN doi-org-3035 72 24 availability availability NN doi-org-3035 72 25 While while IN doi-org-3035 72 26 examining examine VBG doi-org-3035 72 27 URL URL NNP doi-org-3035 72 28 survival survival NN doi-org-3035 72 29 and and CC doi-org-3035 72 30 archival archival NN doi-org-3035 72 31 , , , doi-org-3035 72 32 it -PRON- PRP doi-org-3035 72 33 is be VBZ doi-org-3035 72 34 not not RB doi-org-3035 72 35 only only RB doi-org-3035 72 36 interesting interesting JJ doi-org-3035 72 37 to to TO doi-org-3035 72 38 ask ask VB doi-org-3035 72 39 which which WDT doi-org-3035 72 40 factors factor NNS doi-org-3035 72 41 significantly significantly RB doi-org-3035 72 42 correlate correlate VBP doi-org-3035 72 43 with with IN doi-org-3035 72 44 a a DT doi-org-3035 72 45 URL url NN doi-org-3035 72 46 lasting last VBG doi-org-3035 72 47 but but CC doi-org-3035 72 48 also also RB doi-org-3035 72 49 which which WDT doi-org-3035 72 50 account account VBP doi-org-3035 72 51 for for IN doi-org-3035 72 52 most most JJS doi-org-3035 72 53 of of IN doi-org-3035 72 54 the the DT doi-org-3035 72 55 differences difference NNS doi-org-3035 72 56 . . . doi-org-3035 73 1 To to IN doi-org-3035 73 2 that that DT doi-org-3035 73 3 end end NN doi-org-3035 73 4 , , , doi-org-3035 73 5 we -PRON- PRP doi-org-3035 73 6 fit fit VBP doi-org-3035 73 7 logistic logistic JJ doi-org-3035 73 8 models model NNS doi-org-3035 73 9 for for IN doi-org-3035 73 10 each each DT doi-org-3035 73 11 of of IN doi-org-3035 73 12 the the DT doi-org-3035 73 13 measured measure VBN doi-org-3035 73 14 outcomes outcome NNS doi-org-3035 73 15 ( ( -LRB- doi-org-3035 73 16 live live JJ doi-org-3035 73 17 web web NN doi-org-3035 73 18 , , , doi-org-3035 73 19 Internet Internet NNP doi-org-3035 73 20 Archive Archive NNP doi-org-3035 73 21 and and CC doi-org-3035 73 22 Web Web NNP doi-org-3035 73 23 Citation Citation NNP doi-org-3035 73 24 availabilities availability NNS doi-org-3035 73 25 ) ) -RRB- doi-org-3035 73 26 to to TO doi-org-3035 73 27 help help VB doi-org-3035 73 28 tease tease VB doi-org-3035 73 29 out out RP doi-org-3035 73 30 that that DT doi-org-3035 73 31 information information NN doi-org-3035 73 32 . . . doi-org-3035 74 1 To to TO doi-org-3035 74 2 enhance enhance VB doi-org-3035 74 3 comparability comparability NN doi-org-3035 74 4 , , , doi-org-3035 74 5 a a DT doi-org-3035 74 6 similar similar JJ doi-org-3035 74 7 list list NN doi-org-3035 74 8 of of IN doi-org-3035 74 9 predictors predictor NNS doi-org-3035 74 10 ( ( -LRB- doi-org-3035 74 11 differing differ VBG doi-org-3035 74 12 only only RB doi-org-3035 74 13 in in IN doi-org-3035 74 14 whether whether IN doi-org-3035 74 15 the the DT doi-org-3035 74 16 first first JJ doi-org-3035 74 17 or or CC doi-org-3035 74 18 last last JJ doi-org-3035 74 19 year year NN doi-org-3035 74 20 a a DT doi-org-3035 74 21 URL url NN doi-org-3035 74 22 was be VBD doi-org-3035 74 23 published publish VBN doi-org-3035 74 24 was be VBD doi-org-3035 74 25 used use VBN doi-org-3035 74 26 ) ) -RRB- doi-org-3035 74 27 without without IN doi-org-3035 74 28 interaction interaction NN doi-org-3035 74 29 terms term NNS doi-org-3035 74 30 was be VBD doi-org-3035 74 31 employed employ VBN doi-org-3035 74 32 for for IN doi-org-3035 74 33 all all DT doi-org-3035 74 34 3 3 CD doi-org-3035 74 35 methods method NNS doi-org-3035 74 36 and and CC doi-org-3035 74 37 unique unique JJ doi-org-3035 74 38 deviance deviance NN doi-org-3035 74 39 calculated calculate VBN doi-org-3035 74 40 by by IN doi-org-3035 74 41 dropping drop VBG doi-org-3035 74 42 each each DT doi-org-3035 74 43 term term NN doi-org-3035 74 44 from from IN doi-org-3035 74 45 the the DT doi-org-3035 74 46 model model NN doi-org-3035 74 47 and and CC doi-org-3035 74 48 measuring measure VBG doi-org-3035 74 49 the the DT doi-org-3035 74 50 change change NN doi-org-3035 74 51 in in IN doi-org-3035 74 52 residual residual JJ doi-org-3035 74 53 deviance deviance NN doi-org-3035 74 54 . . . doi-org-3035 75 1 Results result NNS doi-org-3035 75 2 were be VBD doi-org-3035 75 3 then then RB doi-org-3035 75 4 expressed express VBN doi-org-3035 75 5 as as IN doi-org-3035 75 6 a a DT doi-org-3035 75 7 percentage percentage NN doi-org-3035 75 8 of of IN doi-org-3035 75 9 the the DT doi-org-3035 75 10 total total NN doi-org-3035 75 11 uniquely uniquely RB doi-org-3035 75 12 explained explain VBD doi-org-3035 75 13 deviance deviance NN doi-org-3035 75 14 and and CC doi-org-3035 75 15 are be VBP doi-org-3035 75 16 graphically graphically RB doi-org-3035 75 17 shown show VBN doi-org-3035 75 18 in in IN doi-org-3035 75 19 Figure Figure NNP doi-org-3035 75 20 4 4 CD doi-org-3035 75 21 . . . doi-org-3035 76 1 Figure figure NN doi-org-3035 76 2 4 4 CD doi-org-3035 76 3 How how WRB doi-org-3035 76 4 important important JJ doi-org-3035 76 5 is be VBZ doi-org-3035 76 6 each each DT doi-org-3035 76 7 predictor predictor NN doi-org-3035 76 8 in in IN doi-org-3035 76 9 predicting predict VBG doi-org-3035 76 10 whether whether IN doi-org-3035 76 11 a a DT doi-org-3035 76 12 URL url NN doi-org-3035 76 13 is be VBZ doi-org-3035 76 14 available available JJ doi-org-3035 76 15 ? ? . doi-org-3035 77 1 This this DT doi-org-3035 77 2 graph graph NN doi-org-3035 77 3 compares compare VBZ doi-org-3035 77 4 what what WDT doi-org-3035 77 5 portion portion NN doi-org-3035 77 6 of of IN doi-org-3035 77 7 the the DT doi-org-3035 77 8 overall overall JJ doi-org-3035 77 9 deviance deviance NN doi-org-3035 77 10 is be VBZ doi-org-3035 77 11 explained explain VBN doi-org-3035 77 12 uniquely uniquely RB doi-org-3035 77 13 by by IN doi-org-3035 77 14 each each DT doi-org-3035 77 15 predictor predictor NN doi-org-3035 77 16 for for IN doi-org-3035 77 17 each each DT doi-org-3035 77 18 of of IN doi-org-3035 77 19 the the DT doi-org-3035 77 20 measured measure VBN doi-org-3035 77 21 outcomes outcome NNS doi-org-3035 77 22 . . . doi-org-3035 78 1 A a DT doi-org-3035 78 2 similar similar JJ doi-org-3035 78 3 list list NN doi-org-3035 78 4 of of IN doi-org-3035 78 5 predictors predictor NNS doi-org-3035 78 6 ( ( -LRB- doi-org-3035 78 7 differing differ VBG doi-org-3035 78 8 only only RB doi-org-3035 78 9 in in IN doi-org-3035 78 10 whether whether IN doi-org-3035 78 11 the the DT doi-org-3035 78 12 first first JJ doi-org-3035 78 13 or or CC doi-org-3035 78 14 last last JJ doi-org-3035 78 15 year year NN doi-org-3035 78 16 a a DT doi-org-3035 78 17 URL url NN doi-org-3035 78 18 was be VBD doi-org-3035 78 19 published publish VBN doi-org-3035 78 20 ) ) -RRB- doi-org-3035 78 21 without without IN doi-org-3035 78 22 interaction interaction NN doi-org-3035 78 23 terms term NNS doi-org-3035 78 24 was be VBD doi-org-3035 78 25 employed employ VBN doi-org-3035 78 26 to to TO doi-org-3035 78 27 construct construct VB doi-org-3035 78 28 3 3 CD doi-org-3035 78 29 logistic logistic JJ doi-org-3035 78 30 regression regression NN doi-org-3035 78 31 models model NNS doi-org-3035 78 32 . . . doi-org-3035 79 1 The the DT doi-org-3035 79 2 dependent dependent JJ doi-org-3035 79 3 variable variable NN doi-org-3035 79 4 for for IN doi-org-3035 79 5 each each DT doi-org-3035 79 6 of of IN doi-org-3035 79 7 the the DT doi-org-3035 79 8 outcomes outcome NNS doi-org-3035 79 9 under under IN doi-org-3035 79 10 study study NN doi-org-3035 79 11 ( ( -LRB- doi-org-3035 79 12 Live live JJ doi-org-3035 79 13 Web web NN doi-org-3035 79 14 , , , doi-org-3035 79 15 Internet Internet NNP doi-org-3035 79 16 Archive Archive NNP doi-org-3035 79 17 and and CC doi-org-3035 79 18 WebCite WebCite NNP doi-org-3035 79 19 ) ) -RRB- doi-org-3035 79 20 was be VBD doi-org-3035 79 21 availability availability NN doi-org-3035 79 22 at at IN doi-org-3035 79 23 the the DT doi-org-3035 79 24 time time NN doi-org-3035 79 25 of of IN doi-org-3035 79 26 measurement measurement NN doi-org-3035 79 27 . . . doi-org-3035 80 1 Unique unique JJ doi-org-3035 80 2 deviance deviance NN doi-org-3035 80 3 was be VBD doi-org-3035 80 4 calculated calculate VBN doi-org-3035 80 5 by by IN doi-org-3035 80 6 dropping drop VBG doi-org-3035 80 7 each each DT doi-org-3035 80 8 term term NN doi-org-3035 80 9 and and CC doi-org-3035 80 10 measuring measure VBG doi-org-3035 80 11 the the DT doi-org-3035 80 12 change change NN doi-org-3035 80 13 in in IN doi-org-3035 80 14 explained explain VBN doi-org-3035 80 15 deviance deviance NN doi-org-3035 80 16 in in IN doi-org-3035 80 17 the the DT doi-org-3035 80 18 logistic logistic JJ doi-org-3035 80 19 model model NN doi-org-3035 80 20 . . . doi-org-3035 81 1 Results result NNS doi-org-3035 81 2 were be VBD doi-org-3035 81 3 then then RB doi-org-3035 81 4 expressed express VBN doi-org-3035 81 5 as as IN doi-org-3035 81 6 a a DT doi-org-3035 81 7 percentage percentage NN doi-org-3035 81 8 of of IN doi-org-3035 81 9 the the DT doi-org-3035 81 10 total total NN doi-org-3035 81 11 uniquely uniquely RB doi-org-3035 81 12 explained explain VBD doi-org-3035 81 13 deviance deviance NN doi-org-3035 81 14 for for IN doi-org-3035 81 15 each each DT doi-org-3035 81 16 of of IN doi-org-3035 81 17 the the DT doi-org-3035 81 18 3 3 CD doi-org-3035 81 19 methods method NNS doi-org-3035 81 20 . . . doi-org-3035 82 1 Full full JJ doi-org-3035 82 2 size size NN doi-org-3035 82 3 image image NN doi-org-3035 82 4 For for IN doi-org-3035 82 5 live live JJ doi-org-3035 82 6 web web NN doi-org-3035 82 7 availability availability NN doi-org-3035 82 8 , , , doi-org-3035 82 9 the the DT doi-org-3035 82 10 most most JJS doi-org-3035 82 11 deviance deviance NN doi-org-3035 82 12 was be VBD doi-org-3035 82 13 explained explain VBN doi-org-3035 82 14 by by IN doi-org-3035 82 15 the the DT doi-org-3035 82 16 last last JJ doi-org-3035 82 17 year year NN doi-org-3035 82 18 a a DT doi-org-3035 82 19 URL url NN doi-org-3035 82 20 was be VBD doi-org-3035 82 21 published publish VBN doi-org-3035 82 22 ( ( -LRB- doi-org-3035 82 23 42 42 CD doi-org-3035 82 24 % % NN doi-org-3035 82 25 ) ) -RRB- doi-org-3035 82 26 followed follow VBN doi-org-3035 82 27 by by IN doi-org-3035 82 28 the the DT doi-org-3035 82 29 domain domain NN doi-org-3035 82 30 ( ( -LRB- doi-org-3035 82 31 26 26 CD doi-org-3035 82 32 % % NN doi-org-3035 82 33 ) ) -RRB- doi-org-3035 82 34 . . . doi-org-3035 83 1 That that IN doi-org-3035 83 2 these these DT doi-org-3035 83 3 two two CD doi-org-3035 83 4 predictors predictor NNS doi-org-3035 83 5 are be VBP doi-org-3035 83 6 very very RB doi-org-3035 83 7 important important JJ doi-org-3035 83 8 agrees agree VBZ doi-org-3035 83 9 with with IN doi-org-3035 83 10 much much JJ doi-org-3035 83 11 of of IN doi-org-3035 83 12 the the DT doi-org-3035 83 13 published publish VBN doi-org-3035 83 14 literature literature NN doi-org-3035 83 15 thus thus RB doi-org-3035 83 16 far far RB doi-org-3035 83 17 . . . doi-org-3035 84 1 For for IN doi-org-3035 84 2 the the DT doi-org-3035 84 3 Internet Internet NNP doi-org-3035 84 4 Archive Archive NNP doi-org-3035 84 5 , , , doi-org-3035 84 6 by by IN doi-org-3035 84 7 far far RB doi-org-3035 84 8 the the DT doi-org-3035 84 9 most most RBS doi-org-3035 84 10 important important JJ doi-org-3035 84 11 predictor predictor NN doi-org-3035 84 12 was be VBD doi-org-3035 84 13 the the DT doi-org-3035 84 14 URL URL NNP doi-org-3035 84 15 depth depth NN doi-org-3035 84 16 at at IN doi-org-3035 84 17 45 45 CD doi-org-3035 84 18 % % NN doi-org-3035 84 19 . . . doi-org-3035 85 1 Based base VBN doi-org-3035 85 2 on on IN doi-org-3035 85 3 this this DT doi-org-3035 85 4 , , , doi-org-3035 85 5 it -PRON- PRP doi-org-3035 85 6 stands stand VBZ doi-org-3035 85 7 to to TO doi-org-3035 85 8 reason reason NN doi-org-3035 85 9 that that IN doi-org-3035 85 10 the the DT doi-org-3035 85 11 Internet Internet NNP doi-org-3035 85 12 Archive Archive NNP doi-org-3035 85 13 either either CC doi-org-3035 85 14 prefers prefer VBZ doi-org-3035 85 15 more more RBR doi-org-3035 85 16 popular popular JJ doi-org-3035 85 17 URLs url NNS doi-org-3035 85 18 which which WDT doi-org-3035 85 19 happen happen VBP doi-org-3035 85 20 to to TO doi-org-3035 85 21 be be VB doi-org-3035 85 22 at at IN doi-org-3035 85 23 lower low JJR doi-org-3035 85 24 depths depth NNS doi-org-3035 85 25 or or CC doi-org-3035 85 26 employs employ VBZ doi-org-3035 85 27 an an DT doi-org-3035 85 28 algorithm algorithm NN doi-org-3035 85 29 that that WDT doi-org-3035 85 30 prioritizes prioritize VBZ doi-org-3035 85 31 breadth breadth NN doi-org-3035 85 32 over over IN doi-org-3035 85 33 depth depth NN doi-org-3035 85 34 . . . doi-org-3035 86 1 Similar similar JJ doi-org-3035 86 2 to to IN doi-org-3035 86 3 the the DT doi-org-3035 86 4 IA IA NNP doi-org-3035 86 5 , , , doi-org-3035 86 6 WC WC NNP doi-org-3035 86 7 had have VBD doi-org-3035 86 8 a a DT doi-org-3035 86 9 single single JJ doi-org-3035 86 10 predictor predictor NN doi-org-3035 86 11 that that WDT doi-org-3035 86 12 accounted account VBD doi-org-3035 86 13 for for IN doi-org-3035 86 14 much much JJ doi-org-3035 86 15 of of IN doi-org-3035 86 16 the the DT doi-org-3035 86 17 explained explained JJ doi-org-3035 86 18 deviance deviance NN doi-org-3035 86 19 , , , doi-org-3035 86 20 with with IN doi-org-3035 86 21 the the DT doi-org-3035 86 22 publishing publishing NN doi-org-3035 86 23 journal journal NN doi-org-3035 86 24 representing represent VBG doi-org-3035 86 25 49 49 CD doi-org-3035 86 26 % % NN doi-org-3035 86 27 of of IN doi-org-3035 86 28 the the DT doi-org-3035 86 29 explained explain VBN doi-org-3035 86 30 deviance deviance NN doi-org-3035 86 31 . . . doi-org-3035 87 1 This this DT doi-org-3035 87 2 may may MD doi-org-3035 87 3 reflect reflect VB doi-org-3035 87 4 WC WC NNP doi-org-3035 87 5 's 's POS doi-org-3035 87 6 efforts effort NNS doi-org-3035 87 7 to to TO doi-org-3035 87 8 work work VB doi-org-3035 87 9 with with IN doi-org-3035 87 10 publishers publisher NNS doi-org-3035 87 11 as as IN doi-org-3035 87 12 the the DT doi-org-3035 87 13 model model NN doi-org-3035 87 14 shows show VBZ doi-org-3035 87 15 one one CD doi-org-3035 87 16 of of IN doi-org-3035 87 17 the the DT doi-org-3035 87 18 announced announce VBN doi-org-3035 87 19 early early JJ doi-org-3035 87 20 adopters adopter NNS doi-org-3035 87 21 , , , doi-org-3035 87 22 BioMed BioMed NNP doi-org-3035 87 23 Central Central NNP doi-org-3035 87 24 [ [ -LRB- doi-org-3035 87 25 7 7 CD doi-org-3035 87 26 ] ] -RRB- doi-org-3035 87 27 , , , doi-org-3035 87 28 as as IN doi-org-3035 87 29 having have VBG doi-org-3035 87 30 the the DT doi-org-3035 87 31 two two CD doi-org-3035 87 32 measured measure VBN doi-org-3035 87 33 journals journal NNS doi-org-3035 87 34 ( ( -LRB- doi-org-3035 87 35 BMC BMC NNP doi-org-3035 87 36 Bioinformatics Bioinformatics NNP doi-org-3035 87 37 and and CC doi-org-3035 87 38 BMC BMC NNP doi-org-3035 87 39 Genomics Genomics NNP doi-org-3035 87 40 ) ) -RRB- doi-org-3035 87 41 with with IN doi-org-3035 87 42 the the DT doi-org-3035 87 43 highest high JJS doi-org-3035 87 44 retention retention NN doi-org-3035 87 45 rates rate NNS doi-org-3035 87 46 . . . doi-org-3035 88 1 Therefore therefore RB doi-org-3035 88 2 , , , doi-org-3035 88 3 WC WC NNP doi-org-3035 88 4 is be VBZ doi-org-3035 88 5 biased bias VBN doi-org-3035 88 6 towards towards IN doi-org-3035 88 7 a a DT doi-org-3035 88 8 publication publication NN doi-org-3035 88 9 's 's POS doi-org-3035 88 10 source source NN doi-org-3035 88 11 ( ( -LRB- doi-org-3035 88 12 journals journal NNS doi-org-3035 88 13 ) ) -RRB- doi-org-3035 88 14 . . . doi-org-3035 89 1 Archive archive JJ doi-org-3035 89 2 site site NN doi-org-3035 89 3 performance performance NN doi-org-3035 89 4 Another another DT doi-org-3035 89 5 way way NN doi-org-3035 89 6 to to TO doi-org-3035 89 7 measure measure VB doi-org-3035 89 8 the the DT doi-org-3035 89 9 effectiveness effectiveness NN doi-org-3035 89 10 of of IN doi-org-3035 89 11 the the DT doi-org-3035 89 12 current current JJ doi-org-3035 89 13 solutions solution NNS doi-org-3035 89 14 to to TO doi-org-3035 89 15 link link VB doi-org-3035 89 16 decay decay NN doi-org-3035 89 17 is be VBZ doi-org-3035 89 18 to to TO doi-org-3035 89 19 look look VB doi-org-3035 89 20 at at IN doi-org-3035 89 21 the the DT doi-org-3035 89 22 number number NN doi-org-3035 89 23 of of IN doi-org-3035 89 24 " " `` doi-org-3035 89 25 saved save VBN doi-org-3035 89 26 " " '' doi-org-3035 89 27 URLs url NNS doi-org-3035 89 28 , , , doi-org-3035 89 29 or or CC doi-org-3035 89 30 those those DT doi-org-3035 89 31 missing miss VBG doi-org-3035 89 32 ones one NNS doi-org-3035 89 33 that that WDT doi-org-3035 89 34 are be VBP doi-org-3035 89 35 available available JJ doi-org-3035 89 36 through through IN doi-org-3035 89 37 archival archival JJ doi-org-3035 89 38 engines engine NNS doi-org-3035 89 39 . . . doi-org-3035 90 1 Out out IN doi-org-3035 90 2 of of IN doi-org-3035 90 3 the the DT doi-org-3035 90 4 31 31 CD doi-org-3035 90 5 % % NN doi-org-3035 90 6 of of IN doi-org-3035 90 7 URLs URLs NNP doi-org-3035 90 8 ( ( -LRB- doi-org-3035 90 9 33 33 CD doi-org-3035 90 10 % % NN doi-org-3035 90 11 of of IN doi-org-3035 90 12 the the DT doi-org-3035 90 13 unique unique JJ doi-org-3035 90 14 ) ) -RRB- doi-org-3035 90 15 which which WDT doi-org-3035 90 16 were be VBD doi-org-3035 90 17 not not RB doi-org-3035 90 18 accessible accessible JJ doi-org-3035 90 19 on on IN doi-org-3035 90 20 the the DT doi-org-3035 90 21 live live JJ doi-org-3035 90 22 web web NN doi-org-3035 90 23 , , , doi-org-3035 90 24 49 49 CD doi-org-3035 90 25 % % NN doi-org-3035 90 26 of of IN doi-org-3035 90 27 them -PRON- PRP doi-org-3035 90 28 ( ( -LRB- doi-org-3035 90 29 47 47 CD doi-org-3035 90 30 % % NN doi-org-3035 90 31 of of IN doi-org-3035 90 32 the the DT doi-org-3035 90 33 unique unique JJ doi-org-3035 90 34 ) ) -RRB- doi-org-3035 90 35 were be VBD doi-org-3035 90 36 available available JJ doi-org-3035 90 37 in in IN doi-org-3035 90 38 one one CD doi-org-3035 90 39 of of IN doi-org-3035 90 40 the the DT doi-org-3035 90 41 two two CD doi-org-3035 90 42 engines engine NNS doi-org-3035 90 43 , , , doi-org-3035 90 44 with with IN doi-org-3035 90 45 IA IA NNP doi-org-3035 90 46 having have VBG doi-org-3035 90 47 47 47 CD doi-org-3035 90 48 % % NN doi-org-3035 90 49 ( ( -LRB- doi-org-3035 90 50 46 46 CD doi-org-3035 90 51 % % NN doi-org-3035 90 52 unique unique JJ doi-org-3035 90 53 ) ) -RRB- doi-org-3035 90 54 and and CC doi-org-3035 90 55 WC WC NNP doi-org-3035 90 56 having have VBG doi-org-3035 90 57 7 7 CD doi-org-3035 90 58 % % NN doi-org-3035 90 59 ( ( -LRB- doi-org-3035 90 60 6 6 CD doi-org-3035 90 61 % % NN doi-org-3035 90 62 unique unique JJ doi-org-3035 90 63 ) ) -RRB- doi-org-3035 90 64 . . . doi-org-3035 91 1 WC WC NNP doi-org-3035 91 2 's be VBZ doi-org-3035 91 3 comparatively comparatively RB doi-org-3035 91 4 lower low JJR doi-org-3035 91 5 performance performance NN doi-org-3035 91 6 can can MD doi-org-3035 91 7 likely likely RB doi-org-3035 91 8 be be VB doi-org-3035 91 9 attributed attribute VBN doi-org-3035 91 10 to to IN doi-org-3035 91 11 a a DT doi-org-3035 91 12 combination combination NN doi-org-3035 91 13 of of IN doi-org-3035 91 14 its -PRON- PRP$ doi-org-3035 91 15 requirement requirement NN doi-org-3035 91 16 for for IN doi-org-3035 91 17 human human JJ doi-org-3035 91 18 interaction interaction NN doi-org-3035 91 19 and and CC doi-org-3035 91 20 its -PRON- PRP$ doi-org-3035 91 21 still still RB doi-org-3035 91 22 - - HYPH doi-org-3035 91 23 growing grow VBG doi-org-3035 91 24 adoption adoption NN doi-org-3035 91 25 . . . doi-org-3035 92 1 In in IN doi-org-3035 92 2 order order NN doi-org-3035 92 3 to to TO doi-org-3035 92 4 address address VB doi-org-3035 92 5 the the DT doi-org-3035 92 6 discrepancy discrepancy NN doi-org-3035 92 7 , , , doi-org-3035 92 8 all all DT doi-org-3035 92 9 sites site NNS doi-org-3035 92 10 that that WDT doi-org-3035 92 11 were be VBD doi-org-3035 92 12 still still RB doi-org-3035 92 13 active active JJ doi-org-3035 92 14 but but CC doi-org-3035 92 15 not not RB doi-org-3035 92 16 archived archive VBN doi-org-3035 92 17 were be VBD doi-org-3035 92 18 submitted submit VBN doi-org-3035 92 19 to to IN doi-org-3035 92 20 the the DT doi-org-3035 92 21 engine(s engine(s NNP doi-org-3035 92 22 ) ) -RRB- doi-org-3035 92 23 from from IN doi-org-3035 92 24 which which WDT doi-org-3035 92 25 they -PRON- PRP doi-org-3035 92 26 were be VBD doi-org-3035 92 27 missing miss VBG doi-org-3035 92 28 . . . doi-org-3035 93 1 Using use VBG doi-org-3035 93 2 the the DT doi-org-3035 93 3 information information NN doi-org-3035 93 4 gleaned glean VBN doi-org-3035 93 5 from from IN doi-org-3035 93 6 probing probe VBG doi-org-3035 93 7 the the DT doi-org-3035 93 8 sites site NNS doi-org-3035 93 9 as as RB doi-org-3035 93 10 well well RB doi-org-3035 93 11 as as IN doi-org-3035 93 12 the the DT doi-org-3035 93 13 archives archive NNS doi-org-3035 93 14 , , , doi-org-3035 93 15 URLs URLs NNPS doi-org-3035 93 16 missing miss VBG doi-org-3035 93 17 from from IN doi-org-3035 93 18 one one CD doi-org-3035 93 19 or or CC doi-org-3035 93 20 both both DT doi-org-3035 93 21 of of IN doi-org-3035 93 22 the the DT doi-org-3035 93 23 archives archive NNS doi-org-3035 93 24 , , , doi-org-3035 93 25 yet yet CC doi-org-3035 93 26 still still RB doi-org-3035 93 27 alive alive JJ doi-org-3035 93 28 , , , doi-org-3035 93 29 were be VBD doi-org-3035 93 30 submitted submit VBN doi-org-3035 93 31 programmatically programmatically RB doi-org-3035 93 32 . . . doi-org-3035 94 1 This this DT doi-org-3035 94 2 included include VBD doi-org-3035 94 3 submitting submit VBG doi-org-3035 94 4 2,662 2,662 CD doi-org-3035 94 5 to to IN doi-org-3035 94 6 the the DT doi-org-3035 94 7 Wayback Wayback NNP doi-org-3035 94 8 Machine Machine NNP doi-org-3035 94 9 as as RB doi-org-3035 94 10 well well RB doi-org-3035 94 11 as as IN doi-org-3035 94 12 7,477 7,477 CD doi-org-3035 94 13 to to IN doi-org-3035 94 14 WebCite WebCite NNP doi-org-3035 94 15 , , , doi-org-3035 94 16 of of IN doi-org-3035 94 17 which which WDT doi-org-3035 94 18 2,080 2,080 CD doi-org-3035 94 19 and and CC doi-org-3035 94 20 6,348 6,348 CD doi-org-3035 94 21 were be VBD doi-org-3035 94 22 successful successful JJ doi-org-3035 94 23 , , , doi-org-3035 94 24 respectively respectively RB doi-org-3035 94 25 . . . doi-org-3035 95 1 Discussion Discussion NNP doi-org-3035 95 2 Submission Submission NNP doi-org-3035 95 3 of of IN doi-org-3035 95 4 missing miss VBG doi-org-3035 95 5 URLs url NNS doi-org-3035 95 6 to to IN doi-org-3035 95 7 archives archive NNS doi-org-3035 95 8 Archiving archive VBG doi-org-3035 95 9 missing miss VBG doi-org-3035 95 10 URLs url NNS doi-org-3035 95 11 in in IN doi-org-3035 95 12 each each DT doi-org-3035 95 13 of of IN doi-org-3035 95 14 the the DT doi-org-3035 95 15 archival archival NN doi-org-3035 95 16 engines engine NNS doi-org-3035 95 17 had have VBD doi-org-3035 95 18 their -PRON- PRP$ doi-org-3035 95 19 own own JJ doi-org-3035 95 20 special special JJ doi-org-3035 95 21 nuances nuance NNS doi-org-3035 95 22 . . . doi-org-3035 96 1 For for IN doi-org-3035 96 2 the the DT doi-org-3035 96 3 Internet Internet NNP doi-org-3035 96 4 Archive Archive NNP doi-org-3035 96 5 , , , doi-org-3035 96 6 the the DT doi-org-3035 96 7 lack lack NN doi-org-3035 96 8 of of IN doi-org-3035 96 9 a a DT doi-org-3035 96 10 practical practical JJ doi-org-3035 96 11 documented document VBN doi-org-3035 96 12 way way NN doi-org-3035 96 13 of of IN doi-org-3035 96 14 submitting submit VBG doi-org-3035 96 15 URLs url NNS doi-org-3035 96 16 ( ( -LRB- doi-org-3035 96 17 see see VB doi-org-3035 96 18 http://faq.web.archive.org/my-sites-not-archived-how-can-i-add-it/ http://faq.web.archive.org/my-sites-not-archived-how-can-i-add-it/ NNP doi-org-3035 96 19 ) ) -RRB- doi-org-3035 96 20 necessitated necessitate VBD doi-org-3035 96 21 trusting trust VBG doi-org-3035 96 22 a a DT doi-org-3035 96 23 message message NN doi-org-3035 96 24 shown show VBN doi-org-3035 96 25 by by IN doi-org-3035 96 26 the the DT doi-org-3035 96 27 Wayback Wayback NNP doi-org-3035 96 28 Machine Machine NNP doi-org-3035 96 29 when when WRB doi-org-3035 96 30 one one PRP doi-org-3035 96 31 finds find VBZ doi-org-3035 96 32 a a DT doi-org-3035 96 33 URL url NN doi-org-3035 96 34 that that WDT doi-org-3035 96 35 is be VBZ doi-org-3035 96 36 n't not RB doi-org-3035 96 37 archived archive VBN doi-org-3035 96 38 and and CC doi-org-3035 96 39 clicks click VBZ doi-org-3035 96 40 the the DT doi-org-3035 96 41 " " `` doi-org-3035 96 42 Latest Latest NNP doi-org-3035 96 43 " " '' doi-org-3035 96 44 button button NN doi-org-3035 96 45 . . . doi-org-3035 97 1 In in IN doi-org-3035 97 2 this this DT doi-org-3035 97 3 instance instance NN doi-org-3035 97 4 , , , doi-org-3035 97 5 the the DT doi-org-3035 97 6 user user NN doi-org-3035 97 7 is be VBZ doi-org-3035 97 8 sent send VBN doi-org-3035 97 9 to to IN doi-org-3035 97 10 the the DT doi-org-3035 97 11 URL URL NNP doi-org-3035 97 12 " " `` doi-org-3035 97 13 http://liveweb.archive.org/ > XX doi-org-3035 97 15 " " '' doi-org-3035 97 16 which which WDT doi-org-3035 97 17 has have VBZ doi-org-3035 97 18 a a DT doi-org-3035 97 19 banner banner NN doi-org-3035 97 20 proclaiming proclaim VBG doi-org-3035 97 21 that that IN doi-org-3035 97 22 the the DT doi-org-3035 97 23 page page NN doi-org-3035 97 24 " " `` doi-org-3035 97 25 will will MD doi-org-3035 97 26 become become VB doi-org-3035 97 27 part part NN doi-org-3035 97 28 of of IN doi-org-3035 97 29 the the DT doi-org-3035 97 30 permanent permanent JJ doi-org-3035 97 31 archive archive NN doi-org-3035 97 32 in in IN doi-org-3035 97 33 the the DT doi-org-3035 97 34 next next JJ doi-org-3035 97 35 few few JJ doi-org-3035 97 36 months month NNS doi-org-3035 97 37 " " '' doi-org-3035 97 38 . . . doi-org-3035 98 1 Interestingly interestingly RB doi-org-3035 98 2 , , , doi-org-3035 98 3 as as IN doi-org-3035 98 4 witnessed witness VBN doi-org-3035 98 5 by by IN doi-org-3035 98 6 requests request NNS doi-org-3035 98 7 for for IN doi-org-3035 98 8 a a DT doi-org-3035 98 9 web web NN doi-org-3035 98 10 page page NN doi-org-3035 98 11 hosted host VBN doi-org-3035 98 12 on on IN doi-org-3035 98 13 a a DT doi-org-3035 98 14 server server NN doi-org-3035 98 15 for for IN doi-org-3035 98 16 which which WDT doi-org-3035 98 17 the the DT doi-org-3035 98 18 authors author NNS doi-org-3035 98 19 could could MD doi-org-3035 98 20 monitor monitor VB doi-org-3035 98 21 the the DT doi-org-3035 98 22 logs log NNS doi-org-3035 98 23 , , , doi-org-3035 98 24 only only RB doi-org-3035 98 25 those those DT doi-org-3035 98 26 items item NNS doi-org-3035 98 27 requested request VBN doi-org-3035 98 28 by by IN doi-org-3035 98 29 the the DT doi-org-3035 98 30 client client NN doi-org-3035 98 31 were be VBD doi-org-3035 98 32 downloaded download VBN doi-org-3035 98 33 . . . doi-org-3035 99 1 This this DT doi-org-3035 99 2 meant mean VBD doi-org-3035 99 3 that that IN doi-org-3035 99 4 if if IN doi-org-3035 99 5 only only RB doi-org-3035 99 6 a a DT doi-org-3035 99 7 page page NN doi-org-3035 99 8 's 's POS doi-org-3035 99 9 text text NN doi-org-3035 99 10 were be VBD doi-org-3035 99 11 fetched fetch VBN doi-org-3035 99 12 , , , doi-org-3035 99 13 supporting support VBG doi-org-3035 99 14 items item NNS doi-org-3035 99 15 such such JJ doi-org-3035 99 16 as as IN doi-org-3035 99 17 images image NNS doi-org-3035 99 18 and and CC doi-org-3035 99 19 CSS css NN doi-org-3035 99 20 files file NNS doi-org-3035 99 21 would would MD doi-org-3035 99 22 not not RB doi-org-3035 99 23 be be VB doi-org-3035 99 24 archived archive VBN doi-org-3035 99 25 . . . doi-org-3035 100 1 To to TO doi-org-3035 100 2 archive archive VB doi-org-3035 100 3 the the DT doi-org-3035 100 4 supporting support VBG doi-org-3035 100 5 items item NNS doi-org-3035 100 6 and and CC doi-org-3035 100 7 avoid avoid VB doi-org-3035 100 8 duplicating duplicate VBG doi-org-3035 100 9 work work NN doi-org-3035 100 10 , , , doi-org-3035 100 11 wget wget VB doi-org-3035 100 12 's 's POS doi-org-3035 100 13 " " `` doi-org-3035 100 14 --page --page NN doi-org-3035 100 15 - - HYPH doi-org-3035 100 16 requisites requisite NNS doi-org-3035 100 17 " " '' doi-org-3035 100 18 option option NN doi-org-3035 100 19 was be VBD doi-org-3035 100 20 used use VBN doi-org-3035 100 21 instead instead RB doi-org-3035 100 22 of of IN doi-org-3035 100 23 a a DT doi-org-3035 100 24 custom custom NN doi-org-3035 100 25 parser parser NN doi-org-3035 100 26 . . . doi-org-3035 101 1 WebCite WebCite NNP doi-org-3035 101 2 has have VBZ doi-org-3035 101 3 an an DT doi-org-3035 101 4 easy easy JJ doi-org-3035 101 5 - - HYPH doi-org-3035 101 6 to to TO doi-org-3035 101 7 - - HYPH doi-org-3035 101 8 use use VB doi-org-3035 101 9 API API NNP doi-org-3035 101 10 for for IN doi-org-3035 101 11 submitting submit VBG doi-org-3035 101 12 URLs url NNS doi-org-3035 101 13 , , , doi-org-3035 101 14 though though IN doi-org-3035 101 15 limitations limitation NNS doi-org-3035 101 16 during during IN doi-org-3035 101 17 the the DT doi-org-3035 101 18 submission submission NN doi-org-3035 101 19 of of IN doi-org-3035 101 20 our -PRON- PRP$ doi-org-3035 101 21 dataset dataset NN doi-org-3035 101 22 presented present VBD doi-org-3035 101 23 some some DT doi-org-3035 101 24 issues issue NNS doi-org-3035 101 25 . . . doi-org-3035 102 1 The the DT doi-org-3035 102 2 biggest big JJS doi-org-3035 102 3 issue issue NN doi-org-3035 102 4 was be VBD doi-org-3035 102 5 WebCite WebCite NNP doi-org-3035 102 6 's 's POS doi-org-3035 102 7 abuse abuse NN doi-org-3035 102 8 detection detection NN doi-org-3035 102 9 process process NN doi-org-3035 102 10 , , , doi-org-3035 102 11 which which WDT doi-org-3035 102 12 would would MD doi-org-3035 102 13 flag flag VB doi-org-3035 102 14 the the DT doi-org-3035 102 15 robot robot NN doi-org-3035 102 16 after after IN doi-org-3035 102 17 it -PRON- PRP doi-org-3035 102 18 had have VBD doi-org-3035 102 19 made make VBN doi-org-3035 102 20 a a DT doi-org-3035 102 21 certain certain JJ doi-org-3035 102 22 number number NN doi-org-3035 102 23 of of IN doi-org-3035 102 24 requests request NNS doi-org-3035 102 25 . . . doi-org-3035 103 1 To to TO doi-org-3035 103 2 account account VB doi-org-3035 103 3 for for IN doi-org-3035 103 4 this this DT doi-org-3035 103 5 and and CC doi-org-3035 103 6 be be VB doi-org-3035 103 7 generally generally RB doi-org-3035 103 8 nice nice JJ doi-org-3035 103 9 users user NNS doi-org-3035 103 10 , , , doi-org-3035 103 11 we -PRON- PRP doi-org-3035 103 12 added add VBD doi-org-3035 103 13 logic logic NN doi-org-3035 103 14 to to TO doi-org-3035 103 15 ensure ensure VB doi-org-3035 103 16 a a DT doi-org-3035 103 17 minimum minimum JJ doi-org-3035 103 18 delay delay NN doi-org-3035 103 19 between between IN doi-org-3035 103 20 archival archival NN doi-org-3035 103 21 requests request NNS doi-org-3035 103 22 submitted submit VBN doi-org-3035 103 23 to to IN doi-org-3035 103 24 both both DT doi-org-3035 103 25 the the DT doi-org-3035 103 26 IA IA NNP doi-org-3035 103 27 and and CC doi-org-3035 103 28 WC WC NNP doi-org-3035 103 29 . . . doi-org-3035 104 1 Exponential exponential JJ doi-org-3035 104 2 delay delay NN doi-org-3035 104 3 logic logic NN doi-org-3035 104 4 was be VBD doi-org-3035 104 5 implemented implement VBN doi-org-3035 104 6 for for IN doi-org-3035 104 7 WC WC NNP doi-org-3035 104 8 when when WRB doi-org-3035 104 9 encountering encounter VBG doi-org-3035 104 10 general general JJ doi-org-3035 104 11 timeouts timeout NNS doi-org-3035 104 12 , , , doi-org-3035 104 13 other other JJ doi-org-3035 104 14 failures failure NNS doi-org-3035 104 15 ( ( -LRB- doi-org-3035 104 16 like like UH doi-org-3035 104 17 mysql mysql NN doi-org-3035 104 18 error error NN doi-org-3035 104 19 messages message NNS doi-org-3035 104 20 ) ) -RRB- doi-org-3035 104 21 or or CC doi-org-3035 104 22 the the DT doi-org-3035 104 23 abuse abuse NN doi-org-3035 104 24 logic logic NN doi-org-3035 104 25 . . . doi-org-3035 105 1 Eventually eventually RB doi-org-3035 105 2 , , , doi-org-3035 105 3 we -PRON- PRP doi-org-3035 105 4 learned learn VBD doi-org-3035 105 5 that that IN doi-org-3035 105 6 certain certain JJ doi-org-3035 105 7 URLs url NNS doi-org-3035 105 8 would would MD doi-org-3035 105 9 cause cause VB doi-org-3035 105 10 WC WC NNP doi-org-3035 105 11 's 's POS doi-org-3035 105 12 crawler crawler NN doi-org-3035 105 13 to to TO doi-org-3035 105 14 timeout timeout VB doi-org-3035 105 15 indefinitely indefinitely RB doi-org-3035 105 16 , , , doi-org-3035 105 17 requiring require VBG doi-org-3035 105 18 the the DT doi-org-3035 105 19 implementation implementation NN doi-org-3035 105 20 of of IN doi-org-3035 105 21 a a DT doi-org-3035 105 22 maximum maximum JJ doi-org-3035 105 23 retry retry NN doi-org-3035 105 24 count count NN doi-org-3035 105 25 ( ( -LRB- doi-org-3035 105 26 and and CC doi-org-3035 105 27 a a DT doi-org-3035 105 28 failure failure NN doi-org-3035 105 29 status status NN doi-org-3035 105 30 ) ) -RRB- doi-org-3035 105 31 if if IN doi-org-3035 105 32 the the DT doi-org-3035 105 33 error error NN doi-org-3035 105 34 was be VBD doi-org-3035 105 35 n't not RB doi-org-3035 105 36 caused cause VBN doi-org-3035 105 37 by by IN doi-org-3035 105 38 the the DT doi-org-3035 105 39 abuse abuse NN doi-org-3035 105 40 logic logic NN doi-org-3035 105 41 . . . doi-org-3035 106 1 To to TO doi-org-3035 106 2 estimate estimate VB doi-org-3035 106 3 what what WDT doi-org-3035 106 4 impact impact NN doi-org-3035 106 5 we -PRON- PRP doi-org-3035 106 6 had have VBD doi-org-3035 106 7 on on IN doi-org-3035 106 8 the the DT doi-org-3035 106 9 archives archive NNS doi-org-3035 106 10 ' ' POS doi-org-3035 106 11 coverage coverage NN doi-org-3035 106 12 of of IN doi-org-3035 106 13 the the DT doi-org-3035 106 14 study study NN doi-org-3035 106 15 URLs url NNS doi-org-3035 106 16 , , , doi-org-3035 106 17 we -PRON- PRP doi-org-3035 106 18 compared compare VBD doi-org-3035 106 19 a a DT doi-org-3035 106 20 URL url NN doi-org-3035 106 21 survey survey NN doi-org-3035 106 22 done do VBN doi-org-3035 106 23 directly directly RB doi-org-3035 106 24 prior prior RB doi-org-3035 106 25 to to IN doi-org-3035 106 26 our -PRON- PRP$ doi-org-3035 106 27 submission submission NN doi-org-3035 106 28 process process NN doi-org-3035 106 29 to to IN doi-org-3035 106 30 one one CD doi-org-3035 106 31 done do VBN doi-org-3035 106 32 afterwards afterwards RB doi-org-3035 106 33 ; ; : doi-org-3035 106 34 a a DT doi-org-3035 106 35 period period NN doi-org-3035 106 36 of of IN doi-org-3035 106 37 about about IN doi-org-3035 106 38 3.5 3.5 CD doi-org-3035 106 39 months month NNS doi-org-3035 106 40 . . . doi-org-3035 107 1 It -PRON- PRP doi-org-3035 107 2 was be VBD doi-org-3035 107 3 assumed assume VBN doi-org-3035 107 4 that that IN doi-org-3035 107 5 the the DT doi-org-3035 107 6 contribution contribution NN doi-org-3035 107 7 due due IN doi-org-3035 107 8 to to IN doi-org-3035 107 9 unrelated unrelated JJ doi-org-3035 107 10 processes process NNS doi-org-3035 107 11 would would MD doi-org-3035 107 12 not not RB doi-org-3035 107 13 be be VB doi-org-3035 107 14 very very RB doi-org-3035 107 15 large large JJ doi-org-3035 107 16 given give VBN doi-org-3035 107 17 that that IN doi-org-3035 107 18 there there EX doi-org-3035 107 19 was be VBD doi-org-3035 107 20 only only RB doi-org-3035 107 21 a a DT doi-org-3035 107 22 modest modest JJ doi-org-3035 107 23 increase increase NN doi-org-3035 107 24 in in IN doi-org-3035 107 25 coverage coverage NN doi-org-3035 107 26 , , , doi-org-3035 107 27 5 5 CD doi-org-3035 107 28 % % NN doi-org-3035 107 29 for for IN doi-org-3035 107 30 IA IA NNP doi-org-3035 107 31 and and CC doi-org-3035 107 32 1 1 CD doi-org-3035 107 33 % % NN doi-org-3035 107 34 for for IN doi-org-3035 107 35 WC WC NNP doi-org-3035 107 36 , , , doi-org-3035 107 37 over over IN doi-org-3035 107 38 the the DT doi-org-3035 107 39 previous previous JJ doi-org-3035 107 40 period period NN doi-org-3035 107 41 of of IN doi-org-3035 107 42 just just RB doi-org-3035 107 43 under under IN doi-org-3035 107 44 a a DT doi-org-3035 107 45 year year NN doi-org-3035 107 46 and and CC doi-org-3035 107 47 a a DT doi-org-3035 107 48 half half NN doi-org-3035 107 49 . . . doi-org-3035 108 1 Each each DT doi-org-3035 108 2 of of IN doi-org-3035 108 3 the the DT doi-org-3035 108 4 two two CD doi-org-3035 108 5 archival archival NN doi-org-3035 108 6 engines engine NNS doi-org-3035 108 7 had have VBD doi-org-3035 108 8 interesting interesting JJ doi-org-3035 108 9 behaviors behavior NNS doi-org-3035 108 10 which which WDT doi-org-3035 108 11 required require VBD doi-org-3035 108 12 gauging gauge VBG doi-org-3035 108 13 successful successful JJ doi-org-3035 108 14 submission submission NN doi-org-3035 108 15 of of IN doi-org-3035 108 16 a a DT doi-org-3035 108 17 URL url NN doi-org-3035 108 18 by by IN doi-org-3035 108 19 whether whether IN doi-org-3035 108 20 it -PRON- PRP doi-org-3035 108 21 was be VBD doi-org-3035 108 22 archived archive VBN doi-org-3035 108 23 as as IN doi-org-3035 108 24 of of IN doi-org-3035 108 25 a a DT doi-org-3035 108 26 subsequent subsequent JJ doi-org-3035 108 27 survey survey NN doi-org-3035 108 28 rather rather RB doi-org-3035 108 29 than than IN doi-org-3035 108 30 using use VBG doi-org-3035 108 31 the the DT doi-org-3035 108 32 statuses status NNS doi-org-3035 108 33 returned return VBN doi-org-3035 108 34 by by IN doi-org-3035 108 35 the the DT doi-org-3035 108 36 engines engine NNS doi-org-3035 108 37 . . . doi-org-3035 109 1 For for IN doi-org-3035 109 2 the the DT doi-org-3035 109 3 Internet Internet NNP doi-org-3035 109 4 Archive Archive NNP doi-org-3035 109 5 , , , doi-org-3035 109 6 it -PRON- PRP doi-org-3035 109 7 was be VBD doi-org-3035 109 8 discovered discover VBN doi-org-3035 109 9 that that IN doi-org-3035 109 10 an an DT doi-org-3035 109 11 error error NN doi-org-3035 109 12 did do VBD doi-org-3035 109 13 n't not RB doi-org-3035 109 14 always always RB doi-org-3035 109 15 indicate indicate VB doi-org-3035 109 16 failure failure NN doi-org-3035 109 17 , , , doi-org-3035 109 18 as as IN doi-org-3035 109 19 there there EX doi-org-3035 109 20 were be VBD doi-org-3035 109 21 872 872 CD doi-org-3035 109 22 URLs url NNS doi-org-3035 109 23 for for IN doi-org-3035 109 24 which which WDT doi-org-3035 109 25 wget wget NN doi-org-3035 109 26 returned return VBD doi-org-3035 109 27 an an DT doi-org-3035 109 28 error error NN doi-org-3035 109 29 but but CC doi-org-3035 109 30 which which WDT doi-org-3035 109 31 were be VBD doi-org-3035 109 32 successfully successfully RB doi-org-3035 109 33 archived archive VBN doi-org-3035 109 34 . . . doi-org-3035 110 1 Conversely conversely RB doi-org-3035 110 2 , , , doi-org-3035 110 3 WebCite WebCite NNP doi-org-3035 110 4 returned return VBD doi-org-3035 110 5 an an DT doi-org-3035 110 6 asynchronous asynchronous JJ doi-org-3035 110 7 status status NN doi-org-3035 110 8 , , , doi-org-3035 110 9 such such JJ doi-org-3035 110 10 that that IN doi-org-3035 110 11 even even RB doi-org-3035 110 12 in in IN doi-org-3035 110 13 the the DT doi-org-3035 110 14 case case NN doi-org-3035 110 15 of of IN doi-org-3035 110 16 a a DT doi-org-3035 110 17 successful successful JJ doi-org-3035 110 18 return return NN doi-org-3035 110 19 the the DT doi-org-3035 110 20 URL url NN doi-org-3035 110 21 might may MD doi-org-3035 110 22 fail fail VB doi-org-3035 110 23 archival archival NN doi-org-3035 110 24 ; ; : doi-org-3035 110 25 the the DT doi-org-3035 110 26 case case NN doi-org-3035 110 27 in in IN doi-org-3035 110 28 955 955 CD doi-org-3035 110 29 out out IN doi-org-3035 110 30 of of IN doi-org-3035 110 31 a a DT doi-org-3035 110 32 total total NN doi-org-3035 110 33 of of IN doi-org-3035 110 34 7,285 7,285 CD doi-org-3035 110 35 . . . doi-org-3035 111 1 Submitting submit VBG doi-org-3035 111 2 the the DT doi-org-3035 111 3 2662 2662 CD doi-org-3035 111 4 URLs url NNS doi-org-3035 111 5 to to IN doi-org-3035 111 6 IA IA NNP doi-org-3035 111 7 took take VBD doi-org-3035 111 8 a a DT doi-org-3035 111 9 little little JJ doi-org-3035 111 10 less less JJR doi-org-3035 111 11 than than IN doi-org-3035 111 12 a a DT doi-org-3035 111 13 day day NN doi-org-3035 111 14 , , , doi-org-3035 111 15 whereas whereas IN doi-org-3035 111 16 submitting submit VBG doi-org-3035 111 17 7285 7285 CD doi-org-3035 111 18 to to IN doi-org-3035 111 19 WC WC NNP doi-org-3035 111 20 took take VBD doi-org-3035 111 21 over over RP doi-org-3035 111 22 2 2 CD doi-org-3035 111 23 months month NNS doi-org-3035 111 24 . . . doi-org-3035 112 1 This this DT doi-org-3035 112 2 likely likely RB doi-org-3035 112 3 reflects reflect VBZ doi-org-3035 112 4 IA IA NNP doi-org-3035 112 5 's 's POS doi-org-3035 112 6 large large JJ doi-org-3035 112 7 server server NN doi-org-3035 112 8 capacity capacity NN doi-org-3035 112 9 , , , doi-org-3035 112 10 funding funding NN doi-org-3035 112 11 and and CC doi-org-3035 112 12 platform platform NN doi-org-3035 112 13 maturity maturity NN doi-org-3035 112 14 due due IN doi-org-3035 112 15 to to IN doi-org-3035 112 16 its -PRON- PRP$ doi-org-3035 112 17 age age NN doi-org-3035 112 18 . . . doi-org-3035 113 1 Generating generate VBG doi-org-3035 113 2 the the DT doi-org-3035 113 3 list list NN doi-org-3035 113 4 of of IN doi-org-3035 113 5 unique unique JJ doi-org-3035 113 6 URLs url NNS doi-org-3035 113 7 Converting convert VBG doi-org-3035 113 8 some some DT doi-org-3035 113 9 of of IN doi-org-3035 113 10 the the DT doi-org-3035 113 11 potential potential JJ doi-org-3035 113 12 predictors predictor NNS doi-org-3035 113 13 from from IN doi-org-3035 113 14 the the DT doi-org-3035 113 15 list list NN doi-org-3035 113 16 of of IN doi-org-3035 113 17 published publish VBN doi-org-3035 113 18 URLs url NNS doi-org-3035 113 19 to to IN doi-org-3035 113 20 the the DT doi-org-3035 113 21 list list NN doi-org-3035 113 22 of of IN doi-org-3035 113 23 unique unique JJ doi-org-3035 113 24 URLs url NNS doi-org-3035 113 25 presented present VBD doi-org-3035 113 26 some some DT doi-org-3035 113 27 unique unique JJ doi-org-3035 113 28 issues issue NNS doi-org-3035 113 29 . . . doi-org-3035 114 1 In in IN doi-org-3035 114 2 particular particular JJ doi-org-3035 114 3 , , , doi-org-3035 114 4 while while IN doi-org-3035 114 5 converting convert VBG doi-org-3035 114 6 those those DT doi-org-3035 114 7 based base VBN doi-org-3035 114 8 on on IN doi-org-3035 114 9 the the DT doi-org-3035 114 10 URL url NN doi-org-3035 114 11 itself -PRON- PRP doi-org-3035 114 12 ( ( -LRB- doi-org-3035 114 13 domain domain NN doi-org-3035 114 14 , , , doi-org-3035 114 15 depth depth NN doi-org-3035 114 16 , , , doi-org-3035 114 17 whether whether IN doi-org-3035 114 18 alive alive JJ doi-org-3035 114 19 or or CC doi-org-3035 114 20 in in IN doi-org-3035 114 21 an an DT doi-org-3035 114 22 archive archive NN doi-org-3035 114 23 ) ) -RRB- doi-org-3035 114 24 were be VBD doi-org-3035 114 25 straightforward straightforward JJ doi-org-3035 114 26 , , , doi-org-3035 114 27 those those DT doi-org-3035 114 28 which which WDT doi-org-3035 114 29 depended depend VBD doi-org-3035 114 30 upon upon IN doi-org-3035 114 31 a a DT doi-org-3035 114 32 publishing publishing NN doi-org-3035 114 33 article article NN doi-org-3035 114 34 ( ( -LRB- doi-org-3035 114 35 number number NN doi-org-3035 114 36 of of IN doi-org-3035 114 37 times time NNS doi-org-3035 114 38 URL URL NNP doi-org-3035 114 39 was be VBD doi-org-3035 114 40 published publish VBN doi-org-3035 114 41 , , , doi-org-3035 114 42 the the DT doi-org-3035 114 43 number number NN doi-org-3035 114 44 of of IN doi-org-3035 114 45 times time NNS doi-org-3035 114 46 an an DT doi-org-3035 114 47 article article NN doi-org-3035 114 48 was be VBD doi-org-3035 114 49 cited cite VBN doi-org-3035 114 50 , , , doi-org-3035 114 51 publishing publish VBG doi-org-3035 114 52 journal journal NN doi-org-3035 114 53 , , , doi-org-3035 114 54 whether whether IN doi-org-3035 114 55 there there EX doi-org-3035 114 56 was be VBD doi-org-3035 114 57 funding funding NN doi-org-3035 114 58 text text NN doi-org-3035 114 59 ) ) -RRB- doi-org-3035 114 60 were be VBD doi-org-3035 114 61 estimated estimate VBN doi-org-3035 114 62 by by IN doi-org-3035 114 63 collating collate VBG doi-org-3035 114 64 the the DT doi-org-3035 114 65 data datum NNS doi-org-3035 114 66 from from IN doi-org-3035 114 67 each each DT doi-org-3035 114 68 publishing publishing NN doi-org-3035 114 69 . . . doi-org-3035 115 1 Only only RB doi-org-3035 115 2 a a DT doi-org-3035 115 3 small small JJ doi-org-3035 115 4 amount amount NN doi-org-3035 115 5 , , , doi-org-3035 115 6 8 8 CD doi-org-3035 115 7 % % NN doi-org-3035 115 8 , , , doi-org-3035 115 9 of of IN doi-org-3035 115 10 the the DT doi-org-3035 115 11 unique unique JJ doi-org-3035 115 12 URLs url NNS doi-org-3035 115 13 , , , doi-org-3035 115 14 appeared appear VBD doi-org-3035 115 15 more more JJR doi-org-3035 115 16 than than IN doi-org-3035 115 17 once once RB doi-org-3035 115 18 , , , doi-org-3035 115 19 and and CC doi-org-3035 115 20 among among IN doi-org-3035 115 21 the the DT doi-org-3035 115 22 measured measure VBN doi-org-3035 115 23 variables variable NNS doi-org-3035 115 24 that that WDT doi-org-3035 115 25 pertained pertain VBD doi-org-3035 115 26 to to IN doi-org-3035 115 27 the the DT doi-org-3035 115 28 publishing publishing NN doi-org-3035 115 29 there there EX doi-org-3035 115 30 was be VBD doi-org-3035 115 31 not not RB doi-org-3035 115 32 a a DT doi-org-3035 115 33 large large JJ doi-org-3035 115 34 amount amount NN doi-org-3035 115 35 of of IN doi-org-3035 115 36 variety variety NN doi-org-3035 115 37 . . . doi-org-3035 116 1 Amongst amongst IN doi-org-3035 116 2 repeatedly repeatedly RB doi-org-3035 116 3 - - HYPH doi-org-3035 116 4 published publish VBN doi-org-3035 116 5 URLs url NNS doi-org-3035 116 6 , , , doi-org-3035 116 7 43 43 CD doi-org-3035 116 8 % % NN doi-org-3035 116 9 appeared appear VBD doi-org-3035 116 10 in in IN doi-org-3035 116 11 only only RB doi-org-3035 116 12 one one CD doi-org-3035 116 13 journal journal NN doi-org-3035 116 14 and and CC doi-org-3035 116 15 the the DT doi-org-3035 116 16 presence presence NN doi-org-3035 116 17 of of IN doi-org-3035 116 18 funding funding NN doi-org-3035 116 19 text text NN doi-org-3035 116 20 was be VBD doi-org-3035 116 21 the the DT doi-org-3035 116 22 same same JJ doi-org-3035 116 23 76 76 CD doi-org-3035 116 24 % % NN doi-org-3035 116 25 of of IN doi-org-3035 116 26 the the DT doi-org-3035 116 27 time time NN doi-org-3035 116 28 . . . doi-org-3035 117 1 For for IN doi-org-3035 117 2 calculating calculate VBG doi-org-3035 117 3 the the DT doi-org-3035 117 4 number number NN doi-org-3035 117 5 of of IN doi-org-3035 117 6 times time NNS doi-org-3035 117 7 a a DT doi-org-3035 117 8 paper paper NN doi-org-3035 117 9 was be VBD doi-org-3035 117 10 published publish VBN doi-org-3035 117 11 , , , doi-org-3035 117 12 multiple multiple JJ doi-org-3035 117 13 appearances appearance NNS doi-org-3035 117 14 of of IN doi-org-3035 117 15 a a DT doi-org-3035 117 16 URL url NN doi-org-3035 117 17 within within IN doi-org-3035 117 18 a a DT doi-org-3035 117 19 given give VBN doi-org-3035 117 20 title title NN doi-org-3035 117 21 / / SYM doi-org-3035 117 22 abstract abstract JJ doi-org-3035 117 23 were be VBD doi-org-3035 117 24 counted count VBN doi-org-3035 117 25 as as IN doi-org-3035 117 26 one one CD doi-org-3035 117 27 . . . doi-org-3035 118 1 Thus thus RB doi-org-3035 118 2 , , , doi-org-3035 118 3 while while IN doi-org-3035 118 4 efforts effort NNS doi-org-3035 118 5 were be VBD doi-org-3035 118 6 made make VBN doi-org-3035 118 7 to to TO doi-org-3035 118 8 provide provide VB doi-org-3035 118 9 a a DT doi-org-3035 118 10 representative representative JJ doi-org-3035 118 11 collated collate VBN doi-org-3035 118 12 value value NN doi-org-3035 118 13 where where WRB doi-org-3035 118 14 appropriate appropriate JJ doi-org-3035 118 15 , , , doi-org-3035 118 16 it -PRON- PRP doi-org-3035 118 17 's be VBZ doi-org-3035 118 18 expected expect VBN doi-org-3035 118 19 that that IN doi-org-3035 118 20 different different JJ doi-org-3035 118 21 methods method NNS doi-org-3035 118 22 would would MD doi-org-3035 118 23 not not RB doi-org-3035 118 24 have have VB doi-org-3035 118 25 produced produce VBN doi-org-3035 118 26 significantly significantly RB doi-org-3035 118 27 different different JJ doi-org-3035 118 28 results result NNS doi-org-3035 118 29 . . . doi-org-3035 119 1 Additional additional JJ doi-org-3035 119 2 sources source NNS doi-org-3035 119 3 of of IN doi-org-3035 119 4 error error NN doi-org-3035 119 5 Even even RB doi-org-3035 119 6 though though IN doi-org-3035 119 7 WOS WOS NNP doi-org-3035 119 8 's 's POS doi-org-3035 119 9 index index NN doi-org-3035 119 10 appears appear VBZ doi-org-3035 119 11 to to TO doi-org-3035 119 12 have have VB doi-org-3035 119 13 better well JJR doi-org-3035 119 14 quality quality NN doi-org-3035 119 15 Optical Optical NNP doi-org-3035 119 16 Character Character NNP doi-org-3035 119 17 Recognition Recognition NNP doi-org-3035 119 18 ( ( -LRB- doi-org-3035 119 19 OCR OCR NNP doi-org-3035 119 20 ) ) -RRB- doi-org-3035 119 21 than than IN doi-org-3035 119 22 PubMed PubMed NNP doi-org-3035 119 23 , , , doi-org-3035 119 24 it -PRON- PRP doi-org-3035 119 25 still still RB doi-org-3035 119 26 has have VBZ doi-org-3035 119 27 OCR ocr NN doi-org-3035 119 28 artifacts artifact NNS doi-org-3035 119 29 . . . doi-org-3035 120 1 To to TO doi-org-3035 120 2 compensate compensate VB doi-org-3035 120 3 for for IN doi-org-3035 120 4 this this DT doi-org-3035 120 5 , , , doi-org-3035 120 6 the the DT doi-org-3035 120 7 URL URL NNP doi-org-3035 120 8 extraction extraction NN doi-org-3035 120 9 script script NN doi-org-3035 120 10 tried try VBD doi-org-3035 120 11 to to TO doi-org-3035 120 12 use use VB doi-org-3035 120 13 some some DT doi-org-3035 120 14 heuristics heuristic NNS doi-org-3035 120 15 to to TO doi-org-3035 120 16 detect detect VB doi-org-3035 120 17 the the DT doi-org-3035 120 18 most most RBS doi-org-3035 120 19 common common JJ doi-org-3035 120 20 sources source NNS doi-org-3035 120 21 of of IN doi-org-3035 120 22 error error NN doi-org-3035 120 23 and and CC doi-org-3035 120 24 correct correct VB doi-org-3035 120 25 them -PRON- PRP doi-org-3035 120 26 . . . doi-org-3035 121 1 Some some DT doi-org-3035 121 2 of of IN doi-org-3035 121 3 the the DT doi-org-3035 121 4 biggest big JJS doi-org-3035 121 5 sources source NNS doi-org-3035 121 6 of of IN doi-org-3035 121 7 error error NN doi-org-3035 121 8 were be VBD doi-org-3035 121 9 : : : doi-org-3035 121 10 randomly randomly RB doi-org-3035 121 11 inserted insert VBN doi-org-3035 121 12 spaces space NNS doi-org-3035 121 13 in in IN doi-org-3035 121 14 URLs URLs NNP doi-org-3035 121 15 , , , doi-org-3035 121 16 " " `` doi-org-3035 121 17 similar similar JJ doi-org-3035 121 18 to to IN doi-org-3035 121 19 " " '' doi-org-3035 121 20 being be VBG doi-org-3035 121 21 substituted substitute VBN doi-org-3035 121 22 for for IN doi-org-3035 121 23 the the DT doi-org-3035 121 24 tilde tilde NNP doi-org-3035 121 25 character character NN doi-org-3035 121 26 , , , doi-org-3035 121 27 periods period NNS doi-org-3035 121 28 being be VBG doi-org-3035 121 29 replaced replace VBN doi-org-3035 121 30 with with IN doi-org-3035 121 31 commas comma NNS doi-org-3035 121 32 and and CC doi-org-3035 121 33 extra extra JJ doi-org-3035 121 34 punctuation punctuation NN doi-org-3035 121 35 being be VBG doi-org-3035 121 36 appended append VBN doi-org-3035 121 37 to to IN doi-org-3035 121 38 the the DT doi-org-3035 121 39 URL url NN doi-org-3035 121 40 ( ( -LRB- doi-org-3035 121 41 sometimes sometimes RB doi-org-3035 121 42 due due IN doi-org-3035 121 43 to to IN doi-org-3035 121 44 the the DT doi-org-3035 121 45 logic logic NN doi-org-3035 121 46 added add VBN doi-org-3035 121 47 to to TO doi-org-3035 121 48 address address VB doi-org-3035 121 49 the the DT doi-org-3035 121 50 first first JJ doi-org-3035 121 51 issue issue NN doi-org-3035 121 52 ) ) -RRB- doi-org-3035 121 53 . . . doi-org-3035 122 1 Likely likely RB doi-org-3035 122 2 the the DT doi-org-3035 122 3 largest large JJS doi-org-3035 122 4 contributors contributor NNS doi-org-3035 122 5 to to IN doi-org-3035 122 6 false false JJ doi-org-3035 122 7 negatives negative NNS doi-org-3035 122 8 are be VBP doi-org-3035 122 9 errors error NNS doi-org-3035 122 10 in in IN doi-org-3035 122 11 OCR OCR NNP doi-org-3035 122 12 and and CC doi-org-3035 122 13 the the DT doi-org-3035 122 14 attempts attempt NNS doi-org-3035 122 15 to to TO doi-org-3035 122 16 compensate compensate VB doi-org-3035 122 17 for for IN doi-org-3035 122 18 them -PRON- PRP doi-org-3035 122 19 . . . doi-org-3035 123 1 In in IN doi-org-3035 123 2 assessing assess VBG doi-org-3035 123 3 the the DT doi-org-3035 123 4 effectiveness effectiveness NN doi-org-3035 123 5 of of IN doi-org-3035 123 6 our -PRON- PRP$ doi-org-3035 123 7 submissions submission NNS doi-org-3035 123 8 to to IN doi-org-3035 123 9 IA IA NNP doi-org-3035 123 10 , , , doi-org-3035 123 11 it -PRON- PRP doi-org-3035 123 12 is be VBZ doi-org-3035 123 13 possible possible JJ doi-org-3035 123 14 that that IN doi-org-3035 123 15 the the DT doi-org-3035 123 16 estimate estimate NN doi-org-3035 123 17 could could MD doi-org-3035 123 18 be be VB doi-org-3035 123 19 understated understate VBN doi-org-3035 123 20 due due IN doi-org-3035 123 21 to to IN doi-org-3035 123 22 URLs url NNS doi-org-3035 123 23 that that WDT doi-org-3035 123 24 had have VBD doi-org-3035 123 25 been be VBN doi-org-3035 123 26 submitted submit VBN doi-org-3035 123 27 but but CC doi-org-3035 123 28 not not RB doi-org-3035 123 29 yet yet RB doi-org-3035 123 30 made make VBN doi-org-3035 123 31 available available JJ doi-org-3035 123 32 within within IN doi-org-3035 123 33 the the DT doi-org-3035 123 34 Wayback Wayback NNP doi-org-3035 123 35 Machine Machine NNP doi-org-3035 123 36 . . . doi-org-3035 124 1 Dynamic dynamic JJ doi-org-3035 124 2 websites website NNS doi-org-3035 124 3 with with IN doi-org-3035 124 4 interactive interactive JJ doi-org-3035 124 5 content content NN doi-org-3035 124 6 , , , doi-org-3035 124 7 if if IN doi-org-3035 124 8 only only RB doi-org-3035 124 9 present present JJ doi-org-3035 124 10 via via IN doi-org-3035 124 11 an an DT doi-org-3035 124 12 archiving archive VBG doi-org-3035 124 13 engine engine NN doi-org-3035 124 14 , , , doi-org-3035 124 15 would would MD doi-org-3035 124 16 be be VB doi-org-3035 124 17 a a DT doi-org-3035 124 18 source source NN doi-org-3035 124 19 of of IN doi-org-3035 124 20 false false JJ doi-org-3035 124 21 positives positive NNS doi-org-3035 124 22 , , , doi-org-3035 124 23 as as IN doi-org-3035 124 24 the the DT doi-org-3035 124 25 person person NN doi-org-3035 124 26 accessing access VBG doi-org-3035 124 27 the the DT doi-org-3035 124 28 resource resource NN doi-org-3035 124 29 would would MD doi-org-3035 124 30 presumably presumably RB doi-org-3035 124 31 want want VB doi-org-3035 124 32 to to TO doi-org-3035 124 33 use use VB doi-org-3035 124 34 it -PRON- PRP doi-org-3035 124 35 as as IN doi-org-3035 124 36 opposed oppose VBN doi-org-3035 124 37 to to IN doi-org-3035 124 38 viewing view VBG doi-org-3035 124 39 the the DT doi-org-3035 124 40 design design NN doi-org-3035 124 41 work work NN doi-org-3035 124 42 of of IN doi-org-3035 124 43 its -PRON- PRP$ doi-org-3035 124 44 landing landing NN doi-org-3035 124 45 page page NN doi-org-3035 124 46 . . . doi-org-3035 125 1 If if IN doi-org-3035 125 2 a a DT doi-org-3035 125 3 published publish VBN doi-org-3035 125 4 web web NN doi-org-3035 125 5 site site NN doi-org-3035 125 6 goes go VBZ doi-org-3035 125 7 away away RB doi-org-3035 125 8 and and CC doi-org-3035 125 9 another another DT doi-org-3035 125 10 installed instal VBN doi-org-3035 125 11 in in IN doi-org-3035 125 12 its -PRON- PRP$ doi-org-3035 125 13 place place NN doi-org-3035 125 14 ( ( -LRB- doi-org-3035 125 15 especially especially RB doi-org-3035 125 16 true true JJ doi-org-3035 125 17 if if IN doi-org-3035 125 18 a a DT doi-org-3035 125 19 .com .com NN doi-org-3035 125 20 or or CC doi-org-3035 125 21 .net .net NFP doi-org-3035 125 22 domain domain NN doi-org-3035 125 23 is be VBZ doi-org-3035 125 24 allowed allow VBN doi-org-3035 125 25 to to TO doi-org-3035 125 26 expire expire VB doi-org-3035 125 27 ) ) -RRB- doi-org-3035 125 28 , , , doi-org-3035 125 29 then then RB doi-org-3035 125 30 the the DT doi-org-3035 125 31 program program NN doi-org-3035 125 32 will will MD doi-org-3035 125 33 not not RB doi-org-3035 125 34 be be VB doi-org-3035 125 35 able able JJ doi-org-3035 125 36 to to TO doi-org-3035 125 37 tell tell VB doi-org-3035 125 38 the the DT doi-org-3035 125 39 difference difference NN doi-org-3035 125 40 since since IN doi-org-3035 125 41 it -PRON- PRP doi-org-3035 125 42 will will MD doi-org-3035 125 43 see see VB doi-org-3035 125 44 a a DT doi-org-3035 125 45 valid valid JJ doi-org-3035 125 46 ( ( -LRB- doi-org-3035 125 47 though though IN doi-org-3035 125 48 impertinent impertinent JJ doi-org-3035 125 49 ) ) -RRB- doi-org-3035 125 50 web web NN doi-org-3035 125 51 site site NN doi-org-3035 125 52 . . . doi-org-3035 126 1 In in IN doi-org-3035 126 2 addition addition NN doi-org-3035 126 3 , , , doi-org-3035 126 4 though though IN doi-org-3035 126 5 page page NN doi-org-3035 126 6 contents content NNS doi-org-3035 126 7 can can MD doi-org-3035 126 8 change change VB doi-org-3035 126 9 and and CC doi-org-3035 126 10 lose lose VB doi-org-3035 126 11 relevance relevance NN doi-org-3035 126 12 from from IN doi-org-3035 126 13 their -PRON- PRP$ doi-org-3035 126 14 original original JJ doi-org-3035 126 15 use[16 use[16 NN doi-org-3035 126 16 ] ] -RRB- doi-org-3035 126 17 , , , doi-org-3035 126 18 dates date NNS doi-org-3035 126 19 of of IN doi-org-3035 126 20 archival archival NN doi-org-3035 126 21 were be VBD doi-org-3035 126 22 not not RB doi-org-3035 126 23 compared compare VBN doi-org-3035 126 24 to to IN doi-org-3035 126 25 the the DT doi-org-3035 126 26 publication publication NN doi-org-3035 126 27 date date NN doi-org-3035 126 28 . . . doi-org-3035 127 1 Another another DT doi-org-3035 127 2 source source NN doi-org-3035 127 3 of of IN doi-org-3035 127 4 false false JJ doi-org-3035 127 5 positive positive JJ doi-org-3035 127 6 error error NN doi-org-3035 127 7 would would MD doi-org-3035 127 8 be be VB doi-org-3035 127 9 uncaught uncaught JJ doi-org-3035 127 10 OCR OCR NNP doi-org-3035 127 11 artifacts artifact NNS doi-org-3035 127 12 that that IN doi-org-3035 127 13 insert insert VBP doi-org-3035 127 14 spaces space NNS doi-org-3035 127 15 within within IN doi-org-3035 127 16 URLs url NNS doi-org-3035 127 17 if if IN doi-org-3035 127 18 it -PRON- PRP doi-org-3035 127 19 truncated truncate VBD doi-org-3035 127 20 the the DT doi-org-3035 127 21 path path NN doi-org-3035 127 22 but but CC doi-org-3035 127 23 left leave VBD doi-org-3035 127 24 the the DT doi-org-3035 127 25 correct correct JJ doi-org-3035 127 26 host host NN doi-org-3035 127 27 intact intact JJ doi-org-3035 127 28 . . . doi-org-3035 128 1 The the DT doi-org-3035 128 2 result result NN doi-org-3035 128 3 would would MD doi-org-3035 128 4 be be VB doi-org-3035 128 5 a a DT doi-org-3035 128 6 higher high JJR doi-org-3035 128 7 probability probability NN doi-org-3035 128 8 that that IN doi-org-3035 128 9 the the DT doi-org-3035 128 10 URL URL NNP doi-org-3035 128 11 would would MD doi-org-3035 128 12 appear appear VB doi-org-3035 128 13 as as IN doi-org-3035 128 14 a a DT doi-org-3035 128 15 higher high JJR doi-org-3035 128 16 level level NN doi-org-3035 128 17 index index NN doi-org-3035 128 18 page page NN doi-org-3035 128 19 , , , doi-org-3035 128 20 which which WDT doi-org-3035 128 21 are be VBP doi-org-3035 128 22 generally generally RB doi-org-3035 128 23 more more RBR doi-org-3035 128 24 likely likely JJ doi-org-3035 128 25 to to TO doi-org-3035 128 26 function function VB doi-org-3035 128 27 than than IN doi-org-3035 128 28 pages page NNS doi-org-3035 128 29 at at IN doi-org-3035 128 30 lower low JJR doi-org-3035 128 31 levels level NNS doi-org-3035 128 32 [ [ -LRB- doi-org-3035 128 33 11 11 CD doi-org-3035 128 34 , , , doi-org-3035 128 35 12 12 CD doi-org-3035 128 36 ] ] -RRB- doi-org-3035 128 37 . . . doi-org-3035 129 1 Bibliographic bibliographic JJ doi-org-3035 129 2 database database NN doi-org-3035 129 3 Web Web NNP doi-org-3035 129 4 of of IN doi-org-3035 129 5 Science Science NNP doi-org-3035 129 6 was be VBD doi-org-3035 129 7 chosen choose VBN doi-org-3035 129 8 because because IN doi-org-3035 129 9 , , , doi-org-3035 129 10 compared compare VBN doi-org-3035 129 11 to to IN doi-org-3035 129 12 PubMed PubMed NNP doi-org-3035 129 13 , , , doi-org-3035 129 14 it -PRON- PRP doi-org-3035 129 15 was be VBD doi-org-3035 129 16 more more RBR doi-org-3035 129 17 cross cross JJ doi-org-3035 129 18 - - JJ doi-org-3035 129 19 sectional sectional JJ doi-org-3035 129 20 and and CC doi-org-3035 129 21 had have VBD doi-org-3035 129 22 better well JJR doi-org-3035 129 23 OCR ocr NN doi-org-3035 129 24 quality quality NN doi-org-3035 129 25 based base VBN doi-org-3035 129 26 on on IN doi-org-3035 129 27 a a DT doi-org-3035 129 28 small small JJ doi-org-3035 129 29 sampling sampling NN doi-org-3035 129 30 . . . doi-org-3035 130 1 Many many JJ doi-org-3035 130 2 of of IN doi-org-3035 130 3 the the DT doi-org-3035 130 4 other other JJ doi-org-3035 130 5 evaluation evaluation NN doi-org-3035 130 6 criteria criterion NNS doi-org-3035 130 7 were be VBD doi-org-3035 130 8 similar similar JJ doi-org-3035 130 9 between between IN doi-org-3035 130 10 PubMed PubMed NNP doi-org-3035 130 11 and and CC doi-org-3035 130 12 WOS WOS NNP doi-org-3035 130 13 , , , doi-org-3035 130 14 as as IN doi-org-3035 130 15 both both DT doi-org-3035 130 16 contain contain VBP doi-org-3035 130 17 scholarly scholarly JJ doi-org-3035 130 18 work work NN doi-org-3035 130 19 and and CC doi-org-3035 130 20 have have VBP doi-org-3035 130 21 an an DT doi-org-3035 130 22 interface interface NN doi-org-3035 130 23 to to TO doi-org-3035 130 24 download download VB doi-org-3035 130 25 bibliographic bibliographic JJ doi-org-3035 130 26 data datum NNS doi-org-3035 130 27 . . . doi-org-3035 131 1 Interestingly interestingly RB doi-org-3035 131 2 , , , doi-org-3035 131 3 due due IN doi-org-3035 131 4 to to IN doi-org-3035 131 5 the the DT doi-org-3035 131 6 continued continue VBN doi-org-3035 131 7 presence presence NN doi-org-3035 131 8 of of IN doi-org-3035 131 9 OCR OCR NNP doi-org-3035 131 10 issues issue NNS doi-org-3035 131 11 in in IN doi-org-3035 131 12 newer new JJR doi-org-3035 131 13 articles article NNS doi-org-3035 131 14 , , , doi-org-3035 131 15 it -PRON- PRP doi-org-3035 131 16 appears appear VBZ doi-org-3035 131 17 that that IN doi-org-3035 131 18 bibliographic bibliographic JJ doi-org-3035 131 19 information information NN doi-org-3035 131 20 for for IN doi-org-3035 131 21 some some DT doi-org-3035 131 22 journals journal NNS doi-org-3035 131 23 is be VBZ doi-org-3035 131 24 not not RB doi-org-3035 131 25 yet yet RB doi-org-3035 131 26 passed pass VBN doi-org-3035 131 27 electronically electronically RB doi-org-3035 131 28 . . . doi-org-3035 132 1 Conclusions conclusion NNS doi-org-3035 132 2 Based base VBN doi-org-3035 132 3 on on IN doi-org-3035 132 4 the the DT doi-org-3035 132 5 data datum NNS doi-org-3035 132 6 gathered gather VBN doi-org-3035 132 7 in in IN doi-org-3035 132 8 this this DT doi-org-3035 132 9 and and CC doi-org-3035 132 10 other other JJ doi-org-3035 132 11 studies study NNS doi-org-3035 132 12 , , , doi-org-3035 132 13 it -PRON- PRP doi-org-3035 132 14 is be VBZ doi-org-3035 132 15 apparent apparent JJ doi-org-3035 132 16 that that IN doi-org-3035 132 17 there there EX doi-org-3035 132 18 is be VBZ doi-org-3035 132 19 still still RB doi-org-3035 132 20 a a DT doi-org-3035 132 21 problem problem NN doi-org-3035 132 22 with with IN doi-org-3035 132 23 irretrievable irretrievable JJ doi-org-3035 132 24 scholarly scholarly JJ doi-org-3035 132 25 research research NN doi-org-3035 132 26 on on IN doi-org-3035 132 27 the the DT doi-org-3035 132 28 Internet internet NN doi-org-3035 132 29 . . . doi-org-3035 133 1 We -PRON- PRP doi-org-3035 133 2 found find VBD doi-org-3035 133 3 that that IN doi-org-3035 133 4 roughly roughly RB doi-org-3035 133 5 50 50 CD doi-org-3035 133 6 % % NN doi-org-3035 133 7 of of IN doi-org-3035 133 8 URLs url NNS doi-org-3035 133 9 published publish VBN doi-org-3035 133 10 11 11 CD doi-org-3035 133 11 years year NNS doi-org-3035 133 12 prior prior RB doi-org-3035 133 13 to to IN doi-org-3035 133 14 the the DT doi-org-3035 133 15 survey survey NN doi-org-3035 133 16 ( ( -LRB- doi-org-3035 133 17 in in IN doi-org-3035 133 18 2000 2000 CD doi-org-3035 133 19 ) ) -RRB- doi-org-3035 133 20 are be VBP doi-org-3035 133 21 still still RB doi-org-3035 133 22 left leave VBN doi-org-3035 133 23 standing stand VBG doi-org-3035 133 24 . . . doi-org-3035 134 1 Interesting interesting JJ doi-org-3035 134 2 is be VBZ doi-org-3035 134 3 that that IN doi-org-3035 134 4 the the DT doi-org-3035 134 5 rate rate NN doi-org-3035 134 6 of of IN doi-org-3035 134 7 decay decay NN doi-org-3035 134 8 for for IN doi-org-3035 134 9 late late RB doi-org-3035 134 10 - - HYPH doi-org-3035 134 11 published publish VBN doi-org-3035 134 12 URLs url NNS doi-org-3035 134 13 ( ( -LRB- doi-org-3035 134 14 within within IN doi-org-3035 134 15 the the DT doi-org-3035 134 16 past past JJ doi-org-3035 134 17 11 11 CD doi-org-3035 134 18 years year NNS doi-org-3035 134 19 ) ) -RRB- doi-org-3035 134 20 appears appear VBZ doi-org-3035 134 21 to to TO doi-org-3035 134 22 be be VB doi-org-3035 134 23 higher high JJR doi-org-3035 134 24 than than IN doi-org-3035 134 25 that that DT doi-org-3035 134 26 for for IN doi-org-3035 134 27 the the DT doi-org-3035 134 28 older old JJR doi-org-3035 134 29 ones one NNS doi-org-3035 134 30 , , , doi-org-3035 134 31 lending lending NN doi-org-3035 134 32 credence credence NN doi-org-3035 134 33 to to IN doi-org-3035 134 34 what what WP doi-org-3035 134 35 Koehler Koehler NNP doi-org-3035 134 36 suggested suggest VBD doi-org-3035 134 37 about about IN doi-org-3035 134 38 eventual eventual JJ doi-org-3035 134 39 decay decay NN doi-org-3035 134 40 rate rate NN doi-org-3035 134 41 stabilization[17 stabilization[17 NNP doi-org-3035 134 42 ] ] -RRB- doi-org-3035 134 43 . . . doi-org-3035 135 1 Survival survival NN doi-org-3035 135 2 rates rate NNS doi-org-3035 135 3 for for IN doi-org-3035 135 4 living live VBG doi-org-3035 135 5 URLs url NNS doi-org-3035 135 6 published publish VBN doi-org-3035 135 7 between between IN doi-org-3035 135 8 1996 1996 CD doi-org-3035 135 9 and and CC doi-org-3035 135 10 1999 1999 CD doi-org-3035 135 11 , , , doi-org-3035 135 12 inclusive inclusive JJ doi-org-3035 135 13 , , , doi-org-3035 135 14 only only RB doi-org-3035 135 15 vary vary VB doi-org-3035 135 16 by by IN doi-org-3035 135 17 2.4 2.4 CD doi-org-3035 135 18 % % NN doi-org-3035 135 19 ( ( -LRB- doi-org-3035 135 20 1.5 1.5 CD doi-org-3035 135 21 % % NN doi-org-3035 135 22 for for IN doi-org-3035 135 23 unique unique JJ doi-org-3035 135 24 ) ) -RRB- doi-org-3035 135 25 and and CC doi-org-3035 135 26 have have VB doi-org-3035 135 27 poor poor JJ doi-org-3035 135 28 linear linear JJ doi-org-3035 135 29 fits fit NNS doi-org-3035 135 30 ( ( -LRB- doi-org-3035 135 31 R2 r2 NN doi-org-3035 135 32 of of IN doi-org-3035 135 33 .51 .51 CD doi-org-3035 135 34 and and CC doi-org-3035 135 35 .18 .18 CD doi-org-3035 135 36 for for IN doi-org-3035 135 37 unique unique NNP doi-org-3035 135 38 ) ) -RRB- doi-org-3035 135 39 , , , doi-org-3035 135 40 whereas whereas IN doi-org-3035 135 41 years year NNS doi-org-3035 135 42 [ [ -LRB- doi-org-3035 135 43 2000 2000 CD doi-org-3035 135 44 , , , doi-org-3035 135 45 2010 2010 CD doi-org-3035 135 46 ] ] -RRB- doi-org-3035 135 47 have have VBP doi-org-3035 135 48 linear linear JJ doi-org-3035 135 49 slope slope NN doi-org-3035 135 50 0.031 0.031 CD doi-org-3035 135 51 and and CC doi-org-3035 135 52 R2 r2 NN doi-org-3035 135 53 .90 .90 NFP doi-org-3035 135 54 ( ( -LRB- doi-org-3035 135 55 .036 .036 NFP doi-org-3035 135 56 and and CC doi-org-3035 135 57 R2 R2 NNP doi-org-3035 135 58 .95 .95 NN doi-org-3035 135 59 for for IN doi-org-3035 135 60 unique unique JJ doi-org-3035 135 61 URLs url NNS doi-org-3035 135 62 using use VBG doi-org-3035 135 63 the the DT doi-org-3035 135 64 first first JJ doi-org-3035 135 65 published publish VBN doi-org-3035 135 66 year year NN doi-org-3035 135 67 ) ) -RRB- doi-org-3035 135 68 indicating indicate VBG doi-org-3035 135 69 that that IN doi-org-3035 135 70 the the DT doi-org-3035 135 71 availability availability NN doi-org-3035 135 72 between between IN doi-org-3035 135 73 years year NNS doi-org-3035 135 74 for for IN doi-org-3035 135 75 older old JJR doi-org-3035 135 76 URLs url NNS doi-org-3035 135 77 is be VBZ doi-org-3035 135 78 much much RB doi-org-3035 135 79 more more RBR doi-org-3035 135 80 stable stable JJ doi-org-3035 135 81 whereas whereas IN doi-org-3035 135 82 the the DT doi-org-3035 135 83 availability availability NN doi-org-3035 135 84 for for IN doi-org-3035 135 85 more more RBR doi-org-3035 135 86 recent recent JJ doi-org-3035 135 87 online online JJ doi-org-3035 135 88 resources resource NNS doi-org-3035 135 89 follow follow VBP doi-org-3035 135 90 a a DT doi-org-3035 135 91 linear linear JJ doi-org-3035 135 92 trend trend NN doi-org-3035 135 93 with with IN doi-org-3035 135 94 a a DT doi-org-3035 135 95 predictable predictable JJ doi-org-3035 135 96 loss loss NN doi-org-3035 135 97 rate rate NN doi-org-3035 135 98 . . . doi-org-3035 136 1 Overall overall RB doi-org-3035 136 2 , , , doi-org-3035 136 3 84 84 CD doi-org-3035 136 4 % % NN doi-org-3035 136 5 of of IN doi-org-3035 136 6 URLs URLs NNP doi-org-3035 136 7 ( ( -LRB- doi-org-3035 136 8 82 82 CD doi-org-3035 136 9 % % NN doi-org-3035 136 10 of of IN doi-org-3035 136 11 the the DT doi-org-3035 136 12 unique unique JJ doi-org-3035 136 13 ) ) -RRB- doi-org-3035 136 14 were be VBD doi-org-3035 136 15 available available JJ doi-org-3035 136 16 in in IN doi-org-3035 136 17 some some DT doi-org-3035 136 18 manner manner NN doi-org-3035 136 19 : : : doi-org-3035 136 20 either either CC doi-org-3035 136 21 via via IN doi-org-3035 136 22 the the DT doi-org-3035 136 23 web web NN doi-org-3035 136 24 , , , doi-org-3035 136 25 IA IA NNP doi-org-3035 136 26 or or CC doi-org-3035 136 27 WC WC NNP doi-org-3035 136 28 . . . doi-org-3035 137 1 Several several JJ doi-org-3035 137 2 remedies remedy NNS doi-org-3035 137 3 are be VBP doi-org-3035 137 4 available available JJ doi-org-3035 137 5 to to TO doi-org-3035 137 6 address address VB doi-org-3035 137 7 different different JJ doi-org-3035 137 8 aspects aspect NNS doi-org-3035 137 9 of of IN doi-org-3035 137 10 the the DT doi-org-3035 137 11 link link NN doi-org-3035 137 12 decay decay NN doi-org-3035 137 13 problem problem NN doi-org-3035 137 14 . . . doi-org-3035 138 1 For for IN doi-org-3035 138 2 data data NN doi-org-3035 138 3 - - HYPH doi-org-3035 138 4 based base VBN doi-org-3035 138 5 sites site NNS doi-org-3035 138 6 that that WDT doi-org-3035 138 7 can can MD doi-org-3035 138 8 be be VB doi-org-3035 138 9 archived archive VBN doi-org-3035 138 10 properly properly RB doi-org-3035 138 11 with with IN doi-org-3035 138 12 an an DT doi-org-3035 138 13 engine engine NN doi-org-3035 138 14 such such JJ doi-org-3035 138 15 as as IN doi-org-3035 138 16 the the DT doi-org-3035 138 17 Internet Internet NNP doi-org-3035 138 18 Archive Archive NNP doi-org-3035 138 19 or or CC doi-org-3035 138 20 WebCite WebCite NNP doi-org-3035 138 21 , , , doi-org-3035 138 22 one one CD doi-org-3035 138 23 remedy remedy NN doi-org-3035 138 24 is be VBZ doi-org-3035 138 25 to to TO doi-org-3035 138 26 submit submit VB doi-org-3035 138 27 the the DT doi-org-3035 138 28 missing miss VBG doi-org-3035 138 29 sites site NNS doi-org-3035 138 30 which which WDT doi-org-3035 138 31 are be VBP doi-org-3035 138 32 still still RB doi-org-3035 138 33 alive alive JJ doi-org-3035 138 34 to to IN doi-org-3035 138 35 the the DT doi-org-3035 138 36 archiving archive VBG doi-org-3035 138 37 engines engine NNS doi-org-3035 138 38 . . . doi-org-3035 139 1 Based base VBN doi-org-3035 139 2 on on IN doi-org-3035 139 3 the the DT doi-org-3035 139 4 results result NNS doi-org-3035 139 5 of of IN doi-org-3035 139 6 our -PRON- PRP$ doi-org-3035 139 7 prototype prototype NN doi-org-3035 139 8 ( ( -LRB- doi-org-3035 139 9 illustrated illustrate VBN doi-org-3035 139 10 in in IN doi-org-3035 139 11 Figure Figure NNP doi-org-3035 139 12 5 5 CD doi-org-3035 139 13 ) ) -RRB- doi-org-3035 139 14 , , , doi-org-3035 139 15 this this DT doi-org-3035 139 16 method method NN doi-org-3035 139 17 was be VBD doi-org-3035 139 18 wildly wildly RB doi-org-3035 139 19 successful successful JJ doi-org-3035 139 20 , , , doi-org-3035 139 21 increasing increase VBG doi-org-3035 139 22 IA IA NNP doi-org-3035 139 23 's 's POS doi-org-3035 139 24 coverage coverage NN doi-org-3035 139 25 of of IN doi-org-3035 139 26 the the DT doi-org-3035 139 27 study study NN doi-org-3035 139 28 's 's POS doi-org-3035 139 29 URLs url NNS doi-org-3035 139 30 by by IN doi-org-3035 139 31 22 22 CD doi-org-3035 139 32 % % NN doi-org-3035 139 33 and and CC doi-org-3035 139 34 WebCite WebCite NNP doi-org-3035 139 35 's 's POS doi-org-3035 139 36 by by IN doi-org-3035 139 37 255 255 CD doi-org-3035 139 38 % % NN doi-org-3035 139 39 . . . doi-org-3035 140 1 Journals journal NNS doi-org-3035 140 2 could could MD doi-org-3035 140 3 require require VB doi-org-3035 140 4 authors author NNS doi-org-3035 140 5 to to TO doi-org-3035 140 6 submit submit VB doi-org-3035 140 7 URLs url NNS doi-org-3035 140 8 to to IN doi-org-3035 140 9 both both PDT doi-org-3035 140 10 the the DT doi-org-3035 140 11 Internet Internet NNP doi-org-3035 140 12 Archive Archive NNP doi-org-3035 140 13 and and CC doi-org-3035 140 14 WebCite WebCite NNP doi-org-3035 140 15 , , , doi-org-3035 140 16 or or CC doi-org-3035 140 17 alternatively alternatively RB doi-org-3035 140 18 programs program NNS doi-org-3035 140 19 similar similar JJ doi-org-3035 140 20 to to IN doi-org-3035 140 21 those those DT doi-org-3035 140 22 employed employ VBN doi-org-3035 140 23 in in IN doi-org-3035 140 24 this this DT doi-org-3035 140 25 study study NN doi-org-3035 140 26 could could MD doi-org-3035 140 27 be be VB doi-org-3035 140 28 used use VBN doi-org-3035 140 29 to to TO doi-org-3035 140 30 do do VB doi-org-3035 140 31 it -PRON- PRP doi-org-3035 140 32 automatically automatically RB doi-org-3035 140 33 . . . doi-org-3035 141 1 Another another DT doi-org-3035 141 2 way way NN doi-org-3035 141 3 to to TO doi-org-3035 141 4 increase increase VB doi-org-3035 141 5 archival archival NN doi-org-3035 141 6 would would MD doi-org-3035 141 7 be be VB doi-org-3035 141 8 for for IN doi-org-3035 141 9 the the DT doi-org-3035 141 10 owners owner NNS doi-org-3035 141 11 of of IN doi-org-3035 141 12 published publish VBN doi-org-3035 141 13 sites site NNS doi-org-3035 141 14 to to TO doi-org-3035 141 15 ease ease VB doi-org-3035 141 16 restrictions restriction NNS doi-org-3035 141 17 for for IN doi-org-3035 141 18 archiving archive VBG doi-org-3035 141 19 engines engine NNS doi-org-3035 141 20 since since IN doi-org-3035 141 21 507 507 CD doi-org-3035 141 22 ( ( -LRB- doi-org-3035 141 23 352 352 CD doi-org-3035 141 24 unique unique JJ doi-org-3035 141 25 ) ) -RRB- doi-org-3035 141 26 of of IN doi-org-3035 141 27 the the DT doi-org-3035 141 28 published publish VBN doi-org-3035 141 29 URLs url NNS doi-org-3035 141 30 had have VBD doi-org-3035 141 31 archiving archive VBG doi-org-3035 141 32 disabled disabled JJ doi-org-3035 141 33 via via IN doi-org-3035 141 34 robots.txt robots.txt NN doi-org-3035 141 35 according accord VBG doi-org-3035 141 36 to to IN doi-org-3035 141 37 the the DT doi-org-3035 141 38 Internet Internet NNP doi-org-3035 141 39 Archive Archive NNP doi-org-3035 141 40 . . . doi-org-3035 142 1 Amongst amongst IN doi-org-3035 142 2 these these DT doi-org-3035 142 3 , , , doi-org-3035 142 4 16 16 CD doi-org-3035 142 5 % % NN doi-org-3035 142 6 ( ( -LRB- doi-org-3035 142 7 22 22 CD doi-org-3035 142 8 % % NN doi-org-3035 142 9 of of IN doi-org-3035 142 10 the the DT doi-org-3035 142 11 unique unique JJ doi-org-3035 142 12 ) ) -RRB- doi-org-3035 142 13 have have VBP doi-org-3035 142 14 already already RB doi-org-3035 142 15 ceased cease VBN doi-org-3035 142 16 being be VBG doi-org-3035 142 17 valid valid JJ doi-org-3035 142 18 . . . doi-org-3035 143 1 While while IN doi-org-3035 143 2 some some DT doi-org-3035 143 3 sites site NNS doi-org-3035 143 4 may may MD doi-org-3035 143 5 have have VB doi-org-3035 143 6 good good JJ doi-org-3035 143 7 reason reason NN doi-org-3035 143 8 for for IN doi-org-3035 143 9 blocking block VBG doi-org-3035 143 10 automated automate VBN doi-org-3035 143 11 archivers archiver NNS doi-org-3035 143 12 ( ( -LRB- doi-org-3035 143 13 such such JJ doi-org-3035 143 14 as as IN doi-org-3035 143 15 dynamic dynamic JJ doi-org-3035 143 16 content content NN doi-org-3035 143 17 or or CC doi-org-3035 143 18 licensing licensing NN doi-org-3035 143 19 issues issue NNS doi-org-3035 143 20 ) ) -RRB- doi-org-3035 143 21 , , , doi-org-3035 143 22 there there EX doi-org-3035 143 23 may may MD doi-org-3035 143 24 be be VB doi-org-3035 143 25 others other NNS doi-org-3035 143 26 that that WDT doi-org-3035 143 27 could could MD doi-org-3035 143 28 remove remove VB doi-org-3035 143 29 their -PRON- PRP$ doi-org-3035 143 30 restrictions restriction NNS doi-org-3035 143 31 entirely entirely RB doi-org-3035 143 32 or or CC doi-org-3035 143 33 provide provide VB doi-org-3035 143 34 an an DT doi-org-3035 143 35 exception exception NN doi-org-3035 143 36 for for IN doi-org-3035 143 37 preservation preservation NN doi-org-3035 143 38 engines engine NNS doi-org-3035 143 39 . . . doi-org-3035 144 1 Figure figure NN doi-org-3035 144 2 5 5 CD doi-org-3035 144 3 Coverage coverage NN doi-org-3035 144 4 of of IN doi-org-3035 144 5 the the DT doi-org-3035 144 6 scholarly scholarly JJ doi-org-3035 144 7 URL URL NNP doi-org-3035 144 8 list list NN doi-org-3035 144 9 for for IN doi-org-3035 144 10 each each DT doi-org-3035 144 11 archival archival NN doi-org-3035 144 12 engine engine NN doi-org-3035 144 13 at at IN doi-org-3035 144 14 different different JJ doi-org-3035 144 15 times time NNS doi-org-3035 144 16 . . . doi-org-3035 145 1 All all DT doi-org-3035 145 2 URLs url NNS doi-org-3035 145 3 marked mark VBD doi-org-3035 145 4 as as IN doi-org-3035 145 5 alive alive JJ doi-org-3035 145 6 in in IN doi-org-3035 145 7 2011 2011 CD doi-org-3035 145 8 but but CC doi-org-3035 145 9 missing miss VBG doi-org-3035 145 10 from from IN doi-org-3035 145 11 an an DT doi-org-3035 145 12 archive archive NN doi-org-3035 145 13 were be VBD doi-org-3035 145 14 submitted submit VBN doi-org-3035 145 15 between between IN doi-org-3035 145 16 the the DT doi-org-3035 145 17 2012 2012 CD doi-org-3035 145 18 and and CC doi-org-3035 145 19 2013 2013 CD doi-org-3035 145 20 surveys survey NNS doi-org-3035 145 21 . . . doi-org-3035 146 1 The the DT doi-org-3035 146 2 effect effect NN doi-org-3035 146 3 of of IN doi-org-3035 146 4 submitting submit VBG doi-org-3035 146 5 the the DT doi-org-3035 146 6 URLs url NNS doi-org-3035 146 7 is be VBZ doi-org-3035 146 8 most most RBS doi-org-3035 146 9 evident evident JJ doi-org-3035 146 10 in in IN doi-org-3035 146 11 the the DT doi-org-3035 146 12 WebCite WebCite NNP doi-org-3035 146 13 case case NN doi-org-3035 146 14 though though IN doi-org-3035 146 15 the the DT doi-org-3035 146 16 Internet Internet NNP doi-org-3035 146 17 Archive Archive NNP doi-org-3035 146 18 also also RB doi-org-3035 146 19 showed show VBD doi-org-3035 146 20 substantial substantial JJ doi-org-3035 146 21 improvement improvement NN doi-org-3035 146 22 . . . doi-org-3035 147 1 Implementing implement VBG doi-org-3035 147 2 an an DT doi-org-3035 147 3 automated automated JJ doi-org-3035 147 4 process process NN doi-org-3035 147 5 to to TO doi-org-3035 147 6 do do VB doi-org-3035 147 7 this this DT doi-org-3035 147 8 could could MD doi-org-3035 147 9 vastly vastly RB doi-org-3035 147 10 improve improve VB doi-org-3035 147 11 the the DT doi-org-3035 147 12 retention retention NN doi-org-3035 147 13 of of IN doi-org-3035 147 14 scholarly scholarly JJ doi-org-3035 147 15 static static JJ doi-org-3035 147 16 web web NN doi-org-3035 147 17 pages page NNS doi-org-3035 147 18 . . . doi-org-3035 148 1 Full full JJ doi-org-3035 148 2 size size NN doi-org-3035 148 3 image image NN doi-org-3035 148 4 To to TO doi-org-3035 148 5 address address VB doi-org-3035 148 6 the the DT doi-org-3035 148 7 control control NN doi-org-3035 148 8 issue issue NN doi-org-3035 148 9 for for IN doi-org-3035 148 10 redirection redirection NN doi-org-3035 148 11 solutions solution NNS doi-org-3035 148 12 ( ( -LRB- doi-org-3035 148 13 DOI DOI NNP doi-org-3035 148 14 , , , doi-org-3035 148 15 PURL PURL NNP doi-org-3035 148 16 ) ) -RRB- doi-org-3035 148 17 mentioned mention VBD doi-org-3035 148 18 in in IN doi-org-3035 148 19 the the DT doi-org-3035 148 20 introduction introduction NN doi-org-3035 148 21 , , , doi-org-3035 148 22 those those DT doi-org-3035 148 23 who who WP doi-org-3035 148 24 administer administer VBP doi-org-3035 148 25 cited cite VBN doi-org-3035 148 26 tools tool NNS doi-org-3035 148 27 could could MD doi-org-3035 148 28 begin begin VB doi-org-3035 148 29 to to TO doi-org-3035 148 30 maintain maintain VB doi-org-3035 148 31 and and CC doi-org-3035 148 32 publish publish VB doi-org-3035 148 33 a a DT doi-org-3035 148 34 permanent permanent JJ doi-org-3035 148 35 URL url NN doi-org-3035 148 36 on on IN doi-org-3035 148 37 the the DT doi-org-3035 148 38 web web NN doi-org-3035 148 39 site site NN doi-org-3035 148 40 itself -PRON- PRP doi-org-3035 148 41 . . . doi-org-3035 149 1 Perhaps perhaps RB doi-org-3035 149 2 an an DT doi-org-3035 149 3 even even RB doi-org-3035 149 4 more more RBR doi-org-3035 149 5 radical radical JJ doi-org-3035 149 6 step step NN doi-org-3035 149 7 would would MD doi-org-3035 149 8 be be VB doi-org-3035 149 9 for for IN doi-org-3035 149 10 either either CC doi-org-3035 149 11 these these DT doi-org-3035 149 12 existing exist VBG doi-org-3035 149 13 tools tool NNS doi-org-3035 149 14 or or CC doi-org-3035 149 15 some some DT doi-org-3035 149 16 new new JJ doi-org-3035 149 17 tool tool NN doi-org-3035 149 18 to to TO doi-org-3035 149 19 take take VB doi-org-3035 149 20 a a DT doi-org-3035 149 21 Wikipedia Wikipedia NNP doi-org-3035 149 22 approach approach NN doi-org-3035 149 23 and and CC doi-org-3035 149 24 allow allow VB doi-org-3035 149 25 end end NN doi-org-3035 149 26 - - HYPH doi-org-3035 149 27 users user NNS doi-org-3035 149 28 to to TO doi-org-3035 149 29 update update VB doi-org-3035 149 30 and and CC doi-org-3035 149 31 search search VB doi-org-3035 149 32 a a DT doi-org-3035 149 33 database database NN doi-org-3035 149 34 of of IN doi-org-3035 149 35 permanent permanent JJ doi-org-3035 149 36 URLs url NNS doi-org-3035 149 37 . . . doi-org-3035 150 1 Considering consider VBG doi-org-3035 150 2 the the DT doi-org-3035 150 3 studies study NNS doi-org-3035 150 4 that that WDT doi-org-3035 150 5 have have VBP doi-org-3035 150 6 shown show VBN doi-org-3035 150 7 around around RP doi-org-3035 150 8 at at RB doi-org-3035 150 9 least least RBS doi-org-3035 150 10 30 30 CD doi-org-3035 150 11 % % NN doi-org-3035 150 12 of of IN doi-org-3035 150 13 dead dead JJ doi-org-3035 150 14 URLs url NNS doi-org-3035 150 15 to to TO doi-org-3035 150 16 be be VB doi-org-3035 150 17 locatable locatable JJ doi-org-3035 150 18 using use VBG doi-org-3035 150 19 web web NN doi-org-3035 150 20 search search NN doi-org-3035 150 21 engines engine NNS doi-org-3035 150 22 [ [ -LRB- doi-org-3035 150 23 3 3 CD doi-org-3035 150 24 , , , doi-org-3035 150 25 18 18 CD doi-org-3035 150 26 ] ] -RRB- doi-org-3035 150 27 , , , doi-org-3035 150 28 such such PDT doi-org-3035 150 29 a a DT doi-org-3035 150 30 peer peer NN doi-org-3035 150 31 - - HYPH doi-org-3035 150 32 maintained maintain VBN doi-org-3035 150 33 system system NN doi-org-3035 150 34 could could MD doi-org-3035 150 35 be be VB doi-org-3035 150 36 effective effective JJ doi-org-3035 150 37 and and CC doi-org-3035 150 38 efficient efficient JJ doi-org-3035 150 39 , , , doi-org-3035 150 40 though though IN doi-org-3035 150 41 spam spam NN doi-org-3035 150 42 could could MD doi-org-3035 150 43 be be VB doi-org-3035 150 44 an an DT doi-org-3035 150 45 issue issue NN doi-org-3035 150 46 if if IN doi-org-3035 150 47 not not RB doi-org-3035 150 48 properly properly RB doi-org-3035 150 49 addressed address VBN doi-org-3035 150 50 . . . doi-org-3035 151 1 For for IN doi-org-3035 151 2 dynamic dynamic JJ doi-org-3035 151 3 websites website NNS doi-org-3035 151 4 , , , doi-org-3035 151 5 the the DT doi-org-3035 151 6 current current JJ doi-org-3035 151 7 solutions solution NNS doi-org-3035 151 8 are be VBP doi-org-3035 151 9 more more RBR doi-org-3035 151 10 technically technically RB doi-org-3035 151 11 involved involved JJ doi-org-3035 151 12 , , , doi-org-3035 151 13 potentially potentially RB doi-org-3035 151 14 expensive expensive JJ doi-org-3035 151 15 and and CC doi-org-3035 151 16 less less RBR doi-org-3035 151 17 feasible feasible JJ doi-org-3035 151 18 . . . doi-org-3035 152 1 These these DT doi-org-3035 152 2 include include VBP doi-org-3035 152 3 mirroring mirror VBG doi-org-3035 152 4 ( ( -LRB- doi-org-3035 152 5 hosting host VBG doi-org-3035 152 6 a a DT doi-org-3035 152 7 website website NN doi-org-3035 152 8 on on IN doi-org-3035 152 9 another another DT doi-org-3035 152 10 server server NN doi-org-3035 152 11 , , , doi-org-3035 152 12 possibly possibly RB doi-org-3035 152 13 at at IN doi-org-3035 152 14 another another DT doi-org-3035 152 15 institution institution NN doi-org-3035 152 16 ) ) -RRB- doi-org-3035 152 17 and and CC doi-org-3035 152 18 providing provide VBG doi-org-3035 152 19 access access NN doi-org-3035 152 20 to to IN doi-org-3035 152 21 the the DT doi-org-3035 152 22 source source NN doi-org-3035 152 23 code code NN doi-org-3035 152 24 , , , doi-org-3035 152 25 both both DT doi-org-3035 152 26 of of IN doi-org-3035 152 27 which which WDT doi-org-3035 152 28 require require VBP doi-org-3035 152 29 time time NN doi-org-3035 152 30 and and CC doi-org-3035 152 31 effort effort NN doi-org-3035 152 32 . . . doi-org-3035 153 1 Once once IN doi-org-3035 153 2 the the DT doi-org-3035 153 3 source source NN doi-org-3035 153 4 is be VBZ doi-org-3035 153 5 acquired acquire VBN doi-org-3035 153 6 , , , doi-org-3035 153 7 it -PRON- PRP doi-org-3035 153 8 can can MD doi-org-3035 153 9 sometimes sometimes RB doi-org-3035 153 10 take take VB doi-org-3035 153 11 considerable considerable JJ doi-org-3035 153 12 expertise expertise NN doi-org-3035 153 13 to to TO doi-org-3035 153 14 make make VB doi-org-3035 153 15 use use NN doi-org-3035 153 16 of of IN doi-org-3035 153 17 it -PRON- PRP doi-org-3035 153 18 as as IN doi-org-3035 153 19 there there EX doi-org-3035 153 20 may may MD doi-org-3035 153 21 be be VB doi-org-3035 153 22 complex complex JJ doi-org-3035 153 23 libraries library NNS doi-org-3035 153 24 or or CC doi-org-3035 153 25 framework framework NN doi-org-3035 153 26 configuration configuration NN doi-org-3035 153 27 , , , doi-org-3035 153 28 local local JJ doi-org-3035 153 29 assumptions assumption NNS doi-org-3035 153 30 hard hard RB doi-org-3035 153 31 - - HYPH doi-org-3035 153 32 coded code VBN doi-org-3035 153 33 into into IN doi-org-3035 153 34 the the DT doi-org-3035 153 35 software software NN doi-org-3035 153 36 or or CC doi-org-3035 153 37 it -PRON- PRP doi-org-3035 153 38 could could MD doi-org-3035 153 39 be be VB doi-org-3035 153 40 written write VBN doi-org-3035 153 41 for for IN doi-org-3035 153 42 a a DT doi-org-3035 153 43 different different JJ doi-org-3035 153 44 platform platform NN doi-org-3035 153 45 ( ( -LRB- doi-org-3035 153 46 GPU GPU NNP doi-org-3035 153 47 , , , doi-org-3035 153 48 Unix Unix NNP doi-org-3035 153 49 , , , doi-org-3035 153 50 Windows Windows NNP doi-org-3035 153 51 , , , doi-org-3035 153 52 etc etc FW doi-org-3035 153 53 . . . doi-org-3035 153 54 ) ) -RRB- doi-org-3035 153 55 . . . doi-org-3035 154 1 The the DT doi-org-3035 154 2 efforts effort NNS doi-org-3035 154 3 to to TO doi-org-3035 154 4 have have VB doi-org-3035 154 5 reproducible reproducible NN doi-org-3035 154 6 research research NN doi-org-3035 154 7 , , , doi-org-3035 154 8 where where WRB doi-org-3035 154 9 the the DT doi-org-3035 154 10 underlying underlie VBG doi-org-3035 154 11 logic logic NN doi-org-3035 154 12 and and CC doi-org-3035 154 13 data datum NNS doi-org-3035 154 14 behind behind IN doi-org-3035 154 15 the the DT doi-org-3035 154 16 results result NNS doi-org-3035 154 17 of of IN doi-org-3035 154 18 a a DT doi-org-3035 154 19 publication publication NN doi-org-3035 154 20 are be VBP doi-org-3035 154 21 made make VBN doi-org-3035 154 22 available available JJ doi-org-3035 154 23 to to IN doi-org-3035 154 24 the the DT doi-org-3035 154 25 greater great JJR doi-org-3035 154 26 community community NN doi-org-3035 154 27 , , , doi-org-3035 154 28 have have VBP doi-org-3035 154 29 stated state VBN doi-org-3035 154 30 many many JJ doi-org-3035 154 31 of of IN doi-org-3035 154 32 the the DT doi-org-3035 154 33 same same JJ doi-org-3035 154 34 requirements requirement NNS doi-org-3035 154 35 as as IN doi-org-3035 154 36 preserving preserve VBG doi-org-3035 154 37 dynamic dynamic JJ doi-org-3035 154 38 websites website NNS doi-org-3035 154 39 [ [ -LRB- doi-org-3035 154 40 19 19 CD doi-org-3035 154 41 , , , doi-org-3035 154 42 20 20 CD doi-org-3035 154 43 ] ] -RRB- doi-org-3035 154 44 . . . doi-org-3035 155 1 Innovation Innovation NNP doi-org-3035 155 2 in in IN doi-org-3035 155 3 this this DT doi-org-3035 155 4 area area NN doi-org-3035 155 5 could could MD doi-org-3035 155 6 thus thus RB doi-org-3035 155 7 have have VB doi-org-3035 155 8 multiple multiple JJ doi-org-3035 155 9 benefits benefit NNS doi-org-3035 155 10 beyond beyond IN doi-org-3035 155 11 just just RB doi-org-3035 155 12 the the DT doi-org-3035 155 13 archival archival NN doi-org-3035 155 14 . . . doi-org-3035 156 1 Methods Methods NNP doi-org-3035 156 2 Data Data NNP doi-org-3035 156 3 preparation preparation NN doi-org-3035 156 4 and and CC doi-org-3035 156 5 analysis analysis NN doi-org-3035 156 6 The the DT doi-org-3035 156 7 then then RB doi-org-3035 156 8 - - HYPH doi-org-3035 156 9 current current JJ doi-org-3035 156 10 year year NN doi-org-3035 156 11 ( ( -LRB- doi-org-3035 156 12 2011 2011 CD doi-org-3035 156 13 ) ) -RRB- doi-org-3035 156 14 was be VBD doi-org-3035 156 15 excluded exclude VBN doi-org-3035 156 16 to to TO doi-org-3035 156 17 eliminate eliminate VB doi-org-3035 156 18 bias bias NN doi-org-3035 156 19 from from IN doi-org-3035 156 20 certain certain JJ doi-org-3035 156 21 journals journal NNS doi-org-3035 156 22 being be VBG doi-org-3035 156 23 indexed index VBN doi-org-3035 156 24 sooner soon RBR doi-org-3035 156 25 than than IN doi-org-3035 156 26 others other NNS doi-org-3035 156 27 . . . doi-org-3035 157 1 For for IN doi-org-3035 157 2 analysis analysis NN doi-org-3035 157 3 and and CC doi-org-3035 157 4 statistical statistical JJ doi-org-3035 157 5 modeling modeling NN doi-org-3035 157 6 , , , doi-org-3035 157 7 the the DT doi-org-3035 157 8 R r NN doi-org-3035 157 9 program program NN doi-org-3035 157 10 [ [ -LRB- doi-org-3035 157 11 21 21 CD doi-org-3035 157 12 ] ] -RRB- doi-org-3035 157 13 and and CC doi-org-3035 157 14 its -PRON- PRP$ doi-org-3035 157 15 " " `` doi-org-3035 157 16 survival survival NN doi-org-3035 157 17 " " '' doi-org-3035 157 18 library library JJ doi-org-3035 157 19 [ [ -LRB- doi-org-3035 157 20 22 22 CD doi-org-3035 157 21 ] ] -RRB- doi-org-3035 157 22 were be VBD doi-org-3035 157 23 used use VBN doi-org-3035 157 24 ( ( -LRB- doi-org-3035 157 25 scripts script NNS doi-org-3035 157 26 included include VBN doi-org-3035 157 27 in in IN doi-org-3035 157 28 Additional additional JJ doi-org-3035 157 29 file file NN doi-org-3035 157 30 1 1 CD doi-org-3035 157 31 ) ) -RRB- doi-org-3035 157 32 . . . doi-org-3035 158 1 Wherever wherever WRB doi-org-3035 158 2 possible possible JJ doi-org-3035 158 3 , , , doi-org-3035 158 4 statistics statistic NNS doi-org-3035 158 5 are be VBP doi-org-3035 158 6 presented present VBN doi-org-3035 158 7 in in IN doi-org-3035 158 8 2 2 CD doi-org-3035 158 9 forms form NNS doi-org-3035 158 10 : : : doi-org-3035 158 11 one one CD doi-org-3035 158 12 representing represent VBG doi-org-3035 158 13 the the DT doi-org-3035 158 14 raw raw JJ doi-org-3035 158 15 list list NN doi-org-3035 158 16 of of IN doi-org-3035 158 17 URLs url NNS doi-org-3035 158 18 extracted extract VBN doi-org-3035 158 19 from from IN doi-org-3035 158 20 abstracts abstract NNS doi-org-3035 158 21 and and CC doi-org-3035 158 22 the the DT doi-org-3035 158 23 other other JJ doi-org-3035 158 24 representing represent VBG doi-org-3035 158 25 a a DT doi-org-3035 158 26 deduplicated deduplicated JJ doi-org-3035 158 27 set set NN doi-org-3035 158 28 of of IN doi-org-3035 158 29 those those DT doi-org-3035 158 30 URLs url NNS doi-org-3035 158 31 . . . doi-org-3035 159 1 The the DT doi-org-3035 159 2 former former JJ doi-org-3035 159 3 is be VBZ doi-org-3035 159 4 most most RBS doi-org-3035 159 5 appropriate appropriate JJ doi-org-3035 159 6 when when WRB doi-org-3035 159 7 thinking think VBG doi-org-3035 159 8 about about IN doi-org-3035 159 9 what what WP doi-org-3035 159 10 a a DT doi-org-3035 159 11 researcher researcher NN doi-org-3035 159 12 would would MD doi-org-3035 159 13 encounter encounter VB doi-org-3035 159 14 when when WRB doi-org-3035 159 15 trying try VBG doi-org-3035 159 16 to to TO doi-org-3035 159 17 use use VB doi-org-3035 159 18 a a DT doi-org-3035 159 19 published publish VBN doi-org-3035 159 20 URL url NN doi-org-3035 159 21 in in IN doi-org-3035 159 22 an an DT doi-org-3035 159 23 article article NN doi-org-3035 159 24 of of IN doi-org-3035 159 25 interest interest NN doi-org-3035 159 26 and and CC doi-org-3035 159 27 also also RB doi-org-3035 159 28 serves serve VBZ doi-org-3035 159 29 as as IN doi-org-3035 159 30 a a DT doi-org-3035 159 31 way way NN doi-org-3035 159 32 to to TO doi-org-3035 159 33 give give VB doi-org-3035 159 34 weight weight NN doi-org-3035 159 35 to to IN doi-org-3035 159 36 multiply multiply RB doi-org-3035 159 37 - - HYPH doi-org-3035 159 38 published publish VBN doi-org-3035 159 39 URLs url NNS doi-org-3035 159 40 . . . doi-org-3035 160 1 The the DT doi-org-3035 160 2 latter latter NN doi-org-3035 160 3 is be VBZ doi-org-3035 160 4 more more RBR doi-org-3035 160 5 appropriate appropriate JJ doi-org-3035 160 6 when when WRB doi-org-3035 160 7 contemplating contemplate VBG doi-org-3035 160 8 scholarly scholarly JJ doi-org-3035 160 9 URLs url NNS doi-org-3035 160 10 as as IN doi-org-3035 160 11 a a DT doi-org-3035 160 12 whole whole NN doi-org-3035 160 13 or or CC doi-org-3035 160 14 when when WRB doi-org-3035 160 15 using use VBG doi-org-3035 160 16 statistical statistical JJ doi-org-3035 160 17 models model NNS doi-org-3035 160 18 that that WDT doi-org-3035 160 19 assume assume VBP doi-org-3035 160 20 independence independence NN doi-org-3035 160 21 between between IN doi-org-3035 160 22 samples sample NNS doi-org-3035 160 23 . . . doi-org-3035 161 1 URLs url NNS doi-org-3035 161 2 not not RB doi-org-3035 161 3 the the DT doi-org-3035 161 4 goal goal NN doi-org-3035 161 5 of of IN doi-org-3035 161 6 this this DT doi-org-3035 161 7 study study NN doi-org-3035 161 8 such such JJ doi-org-3035 161 9 as as IN doi-org-3035 161 10 journal journal NN doi-org-3035 161 11 promotions promotion NNS doi-org-3035 161 12 and and CC doi-org-3035 161 13 invalid invalid JJ doi-org-3035 161 14 URLs url NNS doi-org-3035 161 15 were be VBD doi-org-3035 161 16 excluded exclude VBN doi-org-3035 161 17 using use VBG doi-org-3035 161 18 computational computational JJ doi-org-3035 161 19 methods method NNS doi-org-3035 161 20 as as RB doi-org-3035 161 21 much much RB doi-org-3035 161 22 as as IN doi-org-3035 161 23 possible possible JJ doi-org-3035 161 24 in in IN doi-org-3035 161 25 order order NN doi-org-3035 161 26 to to TO doi-org-3035 161 27 minimize minimize VB doi-org-3035 161 28 subjective subjective JJ doi-org-3035 161 29 bias bias NN doi-org-3035 161 30 . . . doi-org-3035 162 1 The the DT doi-org-3035 162 2 first first JJ doi-org-3035 162 3 method method NN doi-org-3035 162 4 , , , doi-org-3035 162 5 removing remove VBG doi-org-3035 162 6 943 943 CD doi-org-3035 162 7 ( ( -LRB- doi-org-3035 162 8 26 26 CD doi-org-3035 162 9 unique unique JJ doi-org-3035 162 10 ) ) -RRB- doi-org-3035 162 11 , , , doi-org-3035 162 12 looked look VBD doi-org-3035 162 13 for for IN doi-org-3035 162 14 identical identical JJ doi-org-3035 162 15 URLs url NNS doi-org-3035 162 16 which which WDT doi-org-3035 162 17 comprised comprise VBD doi-org-3035 162 18 a a DT doi-org-3035 162 19 large large JJ doi-org-3035 162 20 percentage percentage NN doi-org-3035 162 21 of of IN doi-org-3035 162 22 a a DT doi-org-3035 162 23 journal journal NN doi-org-3035 162 24 's 's POS doi-org-3035 162 25 published publish VBN doi-org-3035 162 26 collection collection NN doi-org-3035 162 27 within within IN doi-org-3035 162 28 a a DT doi-org-3035 162 29 given give VBN doi-org-3035 162 30 year year NN doi-org-3035 162 31 . . . doi-org-3035 163 1 Upon upon IN doi-org-3035 163 2 manual manual JJ doi-org-3035 163 3 examination examination NN doi-org-3035 163 4 , , , doi-org-3035 163 5 a a DT doi-org-3035 163 6 decision decision NN doi-org-3035 163 7 was be VBD doi-org-3035 163 8 then then RB doi-org-3035 163 9 made make VBN doi-org-3035 163 10 whether whether IN doi-org-3035 163 11 to to TO doi-org-3035 163 12 eliminate eliminate VB doi-org-3035 163 13 them -PRON- PRP doi-org-3035 163 14 . . . doi-org-3035 164 1 The the DT doi-org-3035 164 2 second second JJ doi-org-3035 164 3 method method NN doi-org-3035 164 4 , , , doi-org-3035 164 5 which which WDT doi-org-3035 164 6 identified identify VBD doi-org-3035 164 7 18 18 CD doi-org-3035 164 8 invalid invalid JJ doi-org-3035 164 9 URLs url NNS doi-org-3035 164 10 ( ( -LRB- doi-org-3035 164 11 all all DT doi-org-3035 164 12 unique unique JJ doi-org-3035 164 13 ) ) -RRB- doi-org-3035 164 14 , , , doi-org-3035 164 15 consisted consist VBD doi-org-3035 164 16 of of IN doi-org-3035 164 17 checking check VBG doi-org-3035 164 18 for for IN doi-org-3035 164 19 WebCitation WebCitation NNP doi-org-3035 164 20 's 's POS doi-org-3035 164 21 " " `` doi-org-3035 164 22 UnexpectedXML UnexpectedXML NNP doi-org-3035 164 23 " " '' doi-org-3035 164 24 error error NN doi-org-3035 164 25 . . . doi-org-3035 165 1 These these DT doi-org-3035 165 2 URLs url NNS doi-org-3035 165 3 were be VBD doi-org-3035 165 4 corrupted corrupt VBN doi-org-3035 165 5 to to IN doi-org-3035 165 6 the the DT doi-org-3035 165 7 point point NN doi-org-3035 165 8 that that IN doi-org-3035 165 9 they -PRON- PRP doi-org-3035 165 10 interfered interfere VBD doi-org-3035 165 11 with with IN doi-org-3035 165 12 XML xml NN doi-org-3035 165 13 interpretation interpretation NN doi-org-3035 165 14 of of IN doi-org-3035 165 15 the the DT doi-org-3035 165 16 request request NN doi-org-3035 165 17 due due JJ doi-org-3035 165 18 either either CC doi-org-3035 165 19 to to IN doi-org-3035 165 20 an an DT doi-org-3035 165 21 error error NN doi-org-3035 165 22 in in IN doi-org-3035 165 23 our -PRON- PRP$ doi-org-3035 165 24 parsing parsing NN doi-org-3035 165 25 or or CC doi-org-3035 165 26 the the DT doi-org-3035 165 27 OCR ocr NN doi-org-3035 165 28 . . . doi-org-3035 166 1 DOI DOI NNP doi-org-3035 166 2 sites site NNS doi-org-3035 166 3 were be VBD doi-org-3035 166 4 identified identify VBN doi-org-3035 166 5 by by IN doi-org-3035 166 6 virtue virtue NN doi-org-3035 166 7 of of IN doi-org-3035 166 8 containing contain VBG doi-org-3035 166 9 " " `` doi-org-3035 166 10 http://dx.doi.org http://dx.doi.org NNP doi-org-3035 166 11 " " '' doi-org-3035 166 12 . . . doi-org-3035 167 1 PURL PURL NNP doi-org-3035 167 2 sites site NNS doi-org-3035 167 3 were be VBD doi-org-3035 167 4 identified identify VBN doi-org-3035 167 5 by by IN doi-org-3035 167 6 virtue virtue NN doi-org-3035 167 7 of of IN doi-org-3035 167 8 containing contain VBG doi-org-3035 167 9 " " `` doi-org-3035 167 10 http://purl http://purl ADD doi-org-3035 167 11 . . . doi-org-3035 167 12 " " '' doi-org-3035 168 1 in in IN doi-org-3035 168 2 the the DT doi-org-3035 168 3 URL url NN doi-org-3035 168 4 . . . doi-org-3035 169 1 Interestingly interestingly RB doi-org-3035 169 2 , , , doi-org-3035 169 3 3 3 CD doi-org-3035 169 4 PURL PURL NNP doi-org-3035 169 5 servers server NNS doi-org-3035 169 6 were be VBD doi-org-3035 169 7 identified identify VBN doi-org-3035 169 8 through through IN doi-org-3035 169 9 this this DT doi-org-3035 169 10 mechanism mechanism NN doi-org-3035 169 11 : : : doi-org-3035 169 12 http://purl.oclc.org http://purl.oclc.org NNP doi-org-3035 169 13 , , , doi-org-3035 169 14 http://purl.org http://purl.org NNP doi-org-3035 169 15 and and CC doi-org-3035 169 16 http://purl.access.gpo.gov http://purl.access.gpo.gov JJ doi-org-3035 169 17 . . . doi-org-3035 170 1 To to TO doi-org-3035 170 2 make make VB doi-org-3035 170 3 for for IN doi-org-3035 170 4 results result NNS doi-org-3035 170 5 more more RBR doi-org-3035 170 6 comparable comparable JJ doi-org-3035 170 7 to to TO doi-org-3035 170 8 prior prior JJ doi-org-3035 170 9 work work VB doi-org-3035 170 10 as as RB doi-org-3035 170 11 well well RB doi-org-3035 170 12 as as IN doi-org-3035 170 13 easier easy JJR doi-org-3035 170 14 to to TO doi-org-3035 170 15 interpret interpret VB doi-org-3035 170 16 analysis analysis NN doi-org-3035 170 17 , , , doi-org-3035 170 18 a a DT doi-org-3035 170 19 URL url NN doi-org-3035 170 20 was be VBD doi-org-3035 170 21 considered consider VBN doi-org-3035 170 22 available available JJ doi-org-3035 170 23 if if IN doi-org-3035 170 24 it -PRON- PRP doi-org-3035 170 25 successfully successfully RB doi-org-3035 170 26 responded respond VBD doi-org-3035 170 27 to to IN doi-org-3035 170 28 at at RB doi-org-3035 170 29 least least RBS doi-org-3035 170 30 90 90 CD doi-org-3035 170 31 % % NN doi-org-3035 170 32 of of IN doi-org-3035 170 33 the the DT doi-org-3035 170 34 requests request NNS doi-org-3035 170 35 and and CC doi-org-3035 170 36 unavailable unavailable JJ doi-org-3035 170 37 if if IN doi-org-3035 170 38 less less JJR doi-org-3035 170 39 than than IN doi-org-3035 170 40 that that DT doi-org-3035 170 41 . . . doi-org-3035 171 1 This this DT doi-org-3035 171 2 method method NN doi-org-3035 171 3 is be VBZ doi-org-3035 171 4 similar similar JJ doi-org-3035 171 5 to to IN doi-org-3035 171 6 the the DT doi-org-3035 171 7 method method NN doi-org-3035 171 8 used use VBN doi-org-3035 171 9 by by IN doi-org-3035 171 10 Wren[4 wren[4 NN doi-org-3035 171 11 ] ] -RRB- doi-org-3035 171 12 , , , doi-org-3035 171 13 and and CC doi-org-3035 171 14 differs differ VBZ doi-org-3035 171 15 from from IN doi-org-3035 171 16 Ducut's[1 Ducut's[1 NNP doi-org-3035 171 17 ] ] -RRB- doi-org-3035 171 18 by by IN doi-org-3035 171 19 not not RB doi-org-3035 171 20 using use VBG doi-org-3035 171 21 a a DT doi-org-3035 171 22 " " `` doi-org-3035 171 23 variable variable JJ doi-org-3035 171 24 availability availability NN doi-org-3035 171 25 " " '' doi-org-3035 171 26 category category NN doi-org-3035 171 27 defined define VBN doi-org-3035 171 28 as as IN doi-org-3035 171 29 being be VBG doi-org-3035 171 30 available available JJ doi-org-3035 171 31 > > XX doi-org-3035 171 32 0 0 CD doi-org-3035 171 33 % % NN doi-org-3035 171 34 and and CC doi-org-3035 171 35 < < XX doi-org-3035 171 36 90 90 CD doi-org-3035 171 37 % % NN doi-org-3035 171 38 of of IN doi-org-3035 171 39 the the DT doi-org-3035 171 40 time time NN doi-org-3035 171 41 . . . doi-org-3035 172 1 Our -PRON- PRP$ doi-org-3035 172 2 results result NNS doi-org-3035 172 3 show show VBP doi-org-3035 172 4 that that IN doi-org-3035 172 5 466 466 CD doi-org-3035 172 6 unique unique JJ doi-org-3035 172 7 URLs url NNS doi-org-3035 172 8 ( ( -LRB- doi-org-3035 172 9 3.2 3.2 CD doi-org-3035 172 10 % % NN doi-org-3035 172 11 ) ) -RRB- doi-org-3035 172 12 would would MD doi-org-3035 172 13 have have VB doi-org-3035 172 14 been be VBN doi-org-3035 172 15 in in IN doi-org-3035 172 16 this this DT doi-org-3035 172 17 middle middle JJ doi-org-3035 172 18 category category NN doi-org-3035 172 19 , , , doi-org-3035 172 20 a a DT doi-org-3035 172 21 number number NN doi-org-3035 172 22 quite quite RB doi-org-3035 172 23 similar similar JJ doi-org-3035 172 24 to to IN doi-org-3035 172 25 what what WP doi-org-3035 172 26 Wren Wren NNP doi-org-3035 172 27 's 's POS doi-org-3035 172 28 and and CC doi-org-3035 172 29 Ducut Ducut NNP doi-org-3035 172 30 's 's POS doi-org-3035 172 31 would would MD doi-org-3035 172 32 have have VB doi-org-3035 172 33 been be VBN doi-org-3035 172 34 ( ( -LRB- doi-org-3035 172 35 3.4 3.4 CD doi-org-3035 172 36 % % NN doi-org-3035 172 37 and and CC doi-org-3035 172 38 3.2 3.2 CD doi-org-3035 172 39 % % NN doi-org-3035 172 40 , , , doi-org-3035 172 41 respectively respectively RB doi-org-3035 172 42 ) ) -RRB- doi-org-3035 172 43 . . . doi-org-3035 173 1 Being be VBG doi-org-3035 173 2 such such PDT doi-org-3035 173 3 a a DT doi-org-3035 173 4 small small JJ doi-org-3035 173 5 percentage percentage NN doi-org-3035 173 6 of of IN doi-org-3035 173 7 the the DT doi-org-3035 173 8 total total NN doi-org-3035 173 9 , , , doi-org-3035 173 10 their -PRON- PRP$ doi-org-3035 173 11 treatment treatment NN doi-org-3035 173 12 is be VBZ doi-org-3035 173 13 not not RB doi-org-3035 173 14 likely likely JJ doi-org-3035 173 15 to to TO doi-org-3035 173 16 affect affect VB doi-org-3035 173 17 analysis analysis NN doi-org-3035 173 18 much much RB doi-org-3035 173 19 regardless regardless RB doi-org-3035 173 20 of of IN doi-org-3035 173 21 how how WRB doi-org-3035 173 22 they -PRON- PRP doi-org-3035 173 23 are be VBP doi-org-3035 173 24 interpreted interpret VBN doi-org-3035 173 25 . . . doi-org-3035 174 1 Having have VBG doi-org-3035 174 2 binary binary JJ doi-org-3035 174 3 data datum NNS doi-org-3035 174 4 also also RB doi-org-3035 174 5 eases ease VBZ doi-org-3035 174 6 interpretation interpretation NN doi-org-3035 174 7 of of IN doi-org-3035 174 8 the the DT doi-org-3035 174 9 statistical statistical JJ doi-org-3035 174 10 models model NNS doi-org-3035 174 11 . . . doi-org-3035 175 1 In in IN doi-org-3035 175 2 addition addition NN doi-org-3035 175 3 , , , doi-org-3035 175 4 due due IN doi-org-3035 175 5 to to IN doi-org-3035 175 6 the the DT doi-org-3035 175 7 low low JJ doi-org-3035 175 8 URL URL NNP doi-org-3035 175 9 counts count NNS doi-org-3035 175 10 for for IN doi-org-3035 175 11 1994 1994 CD doi-org-3035 175 12 ( ( -LRB- doi-org-3035 175 13 3 3 CD doi-org-3035 175 14 ) ) -RRB- doi-org-3035 175 15 and and CC doi-org-3035 175 16 1995 1995 CD doi-org-3035 175 17 ( ( -LRB- doi-org-3035 175 18 22 22 CD doi-org-3035 175 19 ) ) -RRB- doi-org-3035 175 20 , , , doi-org-3035 175 21 these these DT doi-org-3035 175 22 years year NNS doi-org-3035 175 23 were be VBD doi-org-3035 175 24 excluded exclude VBN doi-org-3035 175 25 from from IN doi-org-3035 175 26 analysis analysis NN doi-org-3035 175 27 . . . doi-org-3035 176 1 Survival survival NN doi-org-3035 176 2 model model NN doi-org-3035 176 3 Survival Survival NNP doi-org-3035 176 4 analysis analysis NN doi-org-3035 176 5 was be VBD doi-org-3035 176 6 chosen choose VBN doi-org-3035 176 7 to to TO doi-org-3035 176 8 analyze analyze VB doi-org-3035 176 9 living living NN doi-org-3035 176 10 URLs url NNS doi-org-3035 176 11 due due IN doi-org-3035 176 12 to to IN doi-org-3035 176 13 its -PRON- PRP$ doi-org-3035 176 14 natural natural JJ doi-org-3035 176 15 fit fit NN doi-org-3035 176 16 ; ; : doi-org-3035 176 17 like like IN doi-org-3035 176 18 people people NNS doi-org-3035 176 19 , , , doi-org-3035 176 20 URLs url NNS doi-org-3035 176 21 have have VBP doi-org-3035 176 22 lifetimes lifetime NNS doi-org-3035 176 23 and and CC doi-org-3035 176 24 we -PRON- PRP doi-org-3035 176 25 are be VBP doi-org-3035 176 26 interested interested JJ doi-org-3035 176 27 in in IN doi-org-3035 176 28 discussing discuss VBG doi-org-3035 176 29 them -PRON- PRP doi-org-3035 176 30 , , , doi-org-3035 176 31 what what WP doi-org-3035 176 32 causes cause VBZ doi-org-3035 176 33 them -PRON- PRP doi-org-3035 176 34 to to TO doi-org-3035 176 35 be be VB doi-org-3035 176 36 longer long JJR doi-org-3035 176 37 or or CC doi-org-3035 176 38 shorter short JJR doi-org-3035 176 39 and and CC doi-org-3035 176 40 by by IN doi-org-3035 176 41 how how WRB doi-org-3035 176 42 much much JJ doi-org-3035 176 43 . . . doi-org-3035 177 1 Lifetimes lifetime NNS doi-org-3035 177 2 were be VBD doi-org-3035 177 3 calculated calculate VBN doi-org-3035 177 4 by by IN doi-org-3035 177 5 assuming assume VBG doi-org-3035 177 6 URLs url NNS doi-org-3035 177 7 were be VBD doi-org-3035 177 8 alive alive JJ doi-org-3035 177 9 each each DT doi-org-3035 177 10 time time NN doi-org-3035 177 11 they -PRON- PRP doi-org-3035 177 12 were be VBD doi-org-3035 177 13 published publish VBN doi-org-3035 177 14 , , , doi-org-3035 177 15 which which WDT doi-org-3035 177 16 is be VBZ doi-org-3035 177 17 a a DT doi-org-3035 177 18 potential potential JJ doi-org-3035 177 19 source source NN doi-org-3035 177 20 of of IN doi-org-3035 177 21 error error NN doi-org-3035 177 22 [ [ -LRB- doi-org-3035 177 23 2 2 CD doi-org-3035 177 24 ] ] -RRB- doi-org-3035 177 25 . . . doi-org-3035 178 1 Data datum NNS doi-org-3035 178 2 was be VBD doi-org-3035 178 3 coded code VBN doi-org-3035 178 4 as as IN doi-org-3035 178 5 either either CC doi-org-3035 178 6 right right RB doi-org-3035 178 7 or or CC doi-org-3035 178 8 left left RB doi-org-3035 178 9 - - HYPH doi-org-3035 178 10 censored censor VBN doi-org-3035 178 11 ; ; : doi-org-3035 178 12 right right NN doi-org-3035 178 13 - - HYPH doi-org-3035 178 14 censored censor VBN doi-org-3035 178 15 since since IN doi-org-3035 178 16 living live VBG doi-org-3035 178 17 URLs url NNS doi-org-3035 178 18 presumably presumably RB doi-org-3035 178 19 would would MD doi-org-3035 178 20 die die VB doi-org-3035 178 21 at at IN doi-org-3035 178 22 an an DT doi-org-3035 178 23 unknown unknown JJ doi-org-3035 178 24 time time NN doi-org-3035 178 25 in in IN doi-org-3035 178 26 the the DT doi-org-3035 178 27 future future NN doi-org-3035 178 28 and and CC doi-org-3035 178 29 left left JJ doi-org-3035 178 30 - - HYPH doi-org-3035 178 31 censored censor VBN doi-org-3035 178 32 because because IN doi-org-3035 178 33 it -PRON- PRP doi-org-3035 178 34 was be VBD doi-org-3035 178 35 unknown unknown JJ doi-org-3035 178 36 when when WRB doi-org-3035 178 37 a a DT doi-org-3035 178 38 non non JJ doi-org-3035 178 39 - - JJ doi-org-3035 178 40 responding respond VBG doi-org-3035 178 41 URL url NN doi-org-3035 178 42 had have VBD doi-org-3035 178 43 died die VBN doi-org-3035 178 44 . . . doi-org-3035 179 1 Ages age NNS doi-org-3035 179 2 were be VBD doi-org-3035 179 3 coded code VBN doi-org-3035 179 4 in in IN doi-org-3035 179 5 months month NNS doi-org-3035 179 6 rather rather RB doi-org-3035 179 7 than than IN doi-org-3035 179 8 years year NNS doi-org-3035 179 9 in in IN doi-org-3035 179 10 order order NN doi-org-3035 179 11 to to TO doi-org-3035 179 12 increase increase VB doi-org-3035 179 13 accuracy accuracy NN doi-org-3035 179 14 and and CC doi-org-3035 179 15 precision precision NN doi-org-3035 179 16 . . . doi-org-3035 180 1 Parametric parametric JJ doi-org-3035 180 2 survival survival NN doi-org-3035 180 3 regression regression NN doi-org-3035 180 4 models model NNS doi-org-3035 180 5 were be VBD doi-org-3035 180 6 constructed construct VBN doi-org-3035 180 7 using use VBG doi-org-3035 180 8 R R NNP doi-org-3035 180 9 's 's POS doi-org-3035 180 10 survreg survreg NNS doi-org-3035 180 11 ( ( -LRB- doi-org-3035 180 12 ) ) -RRB- doi-org-3035 180 13 . . . doi-org-3035 181 1 In in IN doi-org-3035 181 2 selecting select VBG doi-org-3035 181 3 the the DT doi-org-3035 181 4 distribution distribution NN doi-org-3035 181 5 to to TO doi-org-3035 181 6 use use VB doi-org-3035 181 7 , , , doi-org-3035 181 8 all all DT doi-org-3035 181 9 of of IN doi-org-3035 181 10 those those DT doi-org-3035 181 11 available available JJ doi-org-3035 181 12 were be VBD doi-org-3035 181 13 tried try VBN doi-org-3035 181 14 , , , doi-org-3035 181 15 with with IN doi-org-3035 181 16 the the DT doi-org-3035 181 17 logistical logistical JJ doi-org-3035 181 18 showing show VBG doi-org-3035 181 19 the the DT doi-org-3035 181 20 best good JJS doi-org-3035 181 21 overall overall JJ doi-org-3035 181 22 fit fit NN doi-org-3035 181 23 based base VBN doi-org-3035 181 24 on on IN doi-org-3035 181 25 Akaike Akaike NNP doi-org-3035 181 26 Information Information NNP doi-org-3035 181 27 Criterion Criterion NNP doi-org-3035 181 28 ( ( -LRB- doi-org-3035 181 29 AIC AIC NNP doi-org-3035 181 30 ) ) -RRB- doi-org-3035 181 31 score score NN doi-org-3035 181 32 . . . doi-org-3035 182 1 Better well JJR doi-org-3035 182 2 fits fit VBZ doi-org-3035 182 3 for for IN doi-org-3035 182 4 two two CD doi-org-3035 182 5 of of IN doi-org-3035 182 6 the the DT doi-org-3035 182 7 numeric numeric JJ doi-org-3035 182 8 predictors predictor NNS doi-org-3035 182 9 ( ( -LRB- doi-org-3035 182 10 number number NN doi-org-3035 182 11 of of IN doi-org-3035 182 12 citations citation NNS doi-org-3035 182 13 to to IN doi-org-3035 182 14 a a DT doi-org-3035 182 15 publishing publishing NN doi-org-3035 182 16 paper paper NN doi-org-3035 182 17 and and CC doi-org-3035 182 18 number number NN doi-org-3035 182 19 of of IN doi-org-3035 182 20 times time NNS doi-org-3035 182 21 a a DT doi-org-3035 182 22 URL URL NNP doi-org-3035 182 23 was be VBD doi-org-3035 182 24 published publish VBN doi-org-3035 182 25 ) ) -RRB- doi-org-3035 182 26 were be VBD doi-org-3035 182 27 obtained obtain VBN doi-org-3035 182 28 by by IN doi-org-3035 182 29 taking take VBG doi-org-3035 182 30 the the DT doi-org-3035 182 31 base base NN doi-org-3035 182 32 2 2 CD doi-org-3035 182 33 logarithm logarithm NNP doi-org-3035 182 34 . . . doi-org-3035 183 1 Collinearity collinearity NN doi-org-3035 183 2 was be VBD doi-org-3035 183 3 checked check VBN doi-org-3035 183 4 by by IN doi-org-3035 183 5 calculating calculate VBG doi-org-3035 183 6 the the DT doi-org-3035 183 7 variance variance NN doi-org-3035 183 8 inflation inflation NN doi-org-3035 183 9 factor factor NN doi-org-3035 183 10 against against IN doi-org-3035 183 11 a a DT doi-org-3035 183 12 logistic logistic JJ doi-org-3035 183 13 regression regression NN doi-org-3035 183 14 fit fit JJ doi-org-3035 183 15 to to IN doi-org-3035 183 16 the the DT doi-org-3035 183 17 web web NN doi-org-3035 183 18 outcome outcome NN doi-org-3035 183 19 variable variable NN doi-org-3035 183 20 . . . doi-org-3035 184 1 Overall overall JJ doi-org-3035 184 2 lifetime lifetime NN doi-org-3035 184 3 estimates estimate NNS doi-org-3035 184 4 were be VBD doi-org-3035 184 5 made make VBN doi-org-3035 184 6 using use VBG doi-org-3035 184 7 the the DT doi-org-3035 184 8 survfit survfit NN doi-org-3035 184 9 ( ( -LRB- doi-org-3035 184 10 ) ) -RRB- doi-org-3035 184 11 function function NN doi-org-3035 184 12 from from IN doi-org-3035 184 13 R R NNP doi-org-3035 184 14 's 's POS doi-org-3035 184 15 survival survival NN doi-org-3035 184 16 library library NN doi-org-3035 184 17 . . . doi-org-3035 185 1 Extracting extracting NN doi-org-3035 185 2 and and CC doi-org-3035 185 3 testing testing NN doi-org-3035 185 4 URLs url NNS doi-org-3035 185 5 To to TO doi-org-3035 185 6 prepare prepare VB doi-org-3035 185 7 a a DT doi-org-3035 185 8 list list NN doi-org-3035 185 9 of of IN doi-org-3035 185 10 URLs url NNS doi-org-3035 185 11 ( ( -LRB- doi-org-3035 185 12 and and CC doi-org-3035 185 13 their -PRON- PRP$ doi-org-3035 185 14 associated associate VBN doi-org-3035 185 15 data datum NNS doi-org-3035 185 16 ) ) -RRB- doi-org-3035 185 17 , , , doi-org-3035 185 18 a a DT doi-org-3035 185 19 collection collection NN doi-org-3035 185 20 of of IN doi-org-3035 185 21 bibliographic bibliographic JJ doi-org-3035 185 22 data datum NNS doi-org-3035 185 23 was be VBD doi-org-3035 185 24 compiled compile VBN doi-org-3035 185 25 by by IN doi-org-3035 185 26 searching search VBG doi-org-3035 185 27 WOS WOS NNP doi-org-3035 185 28 for for IN doi-org-3035 185 29 " " `` doi-org-3035 185 30 http http NNS doi-org-3035 185 31 " " '' doi-org-3035 185 32 in in IN doi-org-3035 185 33 the the DT doi-org-3035 185 34 title title NN doi-org-3035 185 35 or or CC doi-org-3035 185 36 abstract abstract JJ doi-org-3035 185 37 , , , doi-org-3035 185 38 downloading download VBG doi-org-3035 185 39 the the DT doi-org-3035 185 40 results result NNS doi-org-3035 185 41 ( ( -LRB- doi-org-3035 185 42 500 500 CD doi-org-3035 185 43 at at IN doi-org-3035 185 44 a a DT doi-org-3035 185 45 time time NN doi-org-3035 185 46 ) ) -RRB- doi-org-3035 185 47 , , , doi-org-3035 185 48 then then RB doi-org-3035 185 49 finally finally RB doi-org-3035 185 50 collating collate VBG doi-org-3035 185 51 them -PRON- PRP doi-org-3035 185 52 into into IN doi-org-3035 185 53 a a DT doi-org-3035 185 54 single single JJ doi-org-3035 185 55 file file NN doi-org-3035 185 56 . . . doi-org-3035 186 1 A a DT doi-org-3035 186 2 custom custom NN doi-org-3035 186 3 program program NN doi-org-3035 186 4 ( ( -LRB- doi-org-3035 186 5 extract_urls.py extract_urls.py CD doi-org-3035 186 6 in in IN doi-org-3035 186 7 Additional additional JJ doi-org-3035 186 8 file file NN doi-org-3035 186 9 1 1 CD doi-org-3035 186 10 ) ) -RRB- doi-org-3035 186 11 was be VBD doi-org-3035 186 12 then then RB doi-org-3035 186 13 used use VBN doi-org-3035 186 14 to to TO doi-org-3035 186 15 extract extract VB doi-org-3035 186 16 the the DT doi-org-3035 186 17 URLs url NNS doi-org-3035 186 18 and and CC doi-org-3035 186 19 associated associate VBN doi-org-3035 186 20 metadata metadata NN doi-org-3035 186 21 from from IN doi-org-3035 186 22 these these DT doi-org-3035 186 23 , , , doi-org-3035 186 24 after after IN doi-org-3035 186 25 which which WDT doi-org-3035 186 26 5 5 CD doi-org-3035 186 27 positive positive JJ doi-org-3035 186 28 and and CC doi-org-3035 186 29 2 2 CD doi-org-3035 186 30 negative negative JJ doi-org-3035 186 31 controls control NNS doi-org-3035 186 32 were be VBD doi-org-3035 186 33 added add VBN doi-org-3035 186 34 . . . doi-org-3035 187 1 A a DT doi-org-3035 187 2 particular particular JJ doi-org-3035 187 3 URL url NN doi-org-3035 187 4 was be VBD doi-org-3035 187 5 only only RB doi-org-3035 187 6 included include VBN doi-org-3035 187 7 once once RB doi-org-3035 187 8 per per IN doi-org-3035 187 9 paper paper NN doi-org-3035 187 10 . . . doi-org-3035 188 1 With with IN doi-org-3035 188 2 the the DT doi-org-3035 188 3 extracted extracted JJ doi-org-3035 188 4 URLs url NNS doi-org-3035 188 5 in in IN doi-org-3035 188 6 hand hand NN doi-org-3035 188 7 , , , doi-org-3035 188 8 another another DT doi-org-3035 188 9 custom custom NN doi-org-3035 188 10 program program NN doi-org-3035 188 11 ( ( -LRB- doi-org-3035 188 12 check_urls_web.py check_urls_web.py VBN doi-org-3035 188 13 in in IN doi-org-3035 188 14 Additional additional JJ doi-org-3035 188 15 file file NN doi-org-3035 188 16 1 1 CD doi-org-3035 188 17 ) ) -RRB- doi-org-3035 188 18 was be VBD doi-org-3035 188 19 used use VBN doi-org-3035 188 20 to to TO doi-org-3035 188 21 test test VB doi-org-3035 188 22 the the DT doi-org-3035 188 23 availability availability NN doi-org-3035 188 24 of of IN doi-org-3035 188 25 the the DT doi-org-3035 188 26 URLs url NNS doi-org-3035 188 27 3 3 CD doi-org-3035 188 28 times time NNS doi-org-3035 188 29 a a DT doi-org-3035 188 30 day day NN doi-org-3035 188 31 over over IN doi-org-3035 188 32 the the DT doi-org-3035 188 33 course course NN doi-org-3035 188 34 of of IN doi-org-3035 188 35 30 30 CD doi-org-3035 188 36 days day NNS doi-org-3035 188 37 , , , doi-org-3035 188 38 starting start VBG doi-org-3035 188 39 April April NNP doi-org-3035 188 40 16 16 CD doi-org-3035 188 41 , , , doi-org-3035 188 42 2011 2011 CD doi-org-3035 188 43 . . . doi-org-3035 189 1 These these DT doi-org-3035 189 2 times time NNS doi-org-3035 189 3 were be VBD doi-org-3035 189 4 generated generate VBN doi-org-3035 189 5 randomly randomly RB doi-org-3035 189 6 by by IN doi-org-3035 189 7 scheduler.py scheduler.py ADD doi-org-3035 189 8 ( ( -LRB- doi-org-3035 189 9 included include VBN doi-org-3035 189 10 in in IN doi-org-3035 189 11 Additional additional JJ doi-org-3035 189 12 file file NN doi-org-3035 189 13 1 1 CD doi-org-3035 189 14 ) ) -RRB- doi-org-3035 189 15 , , , doi-org-3035 189 16 the the DT doi-org-3035 189 17 algorithm algorithm NNP doi-org-3035 189 18 guaranteeing guarantee VBG doi-org-3035 189 19 that that IN doi-org-3035 189 20 no no DT doi-org-3035 189 21 consecutive consecutive JJ doi-org-3035 189 22 runs run NNS doi-org-3035 189 23 were be VBD doi-org-3035 189 24 closer close JJR doi-org-3035 189 25 than than IN doi-org-3035 189 26 2 2 CD doi-org-3035 189 27 hours hour NNS doi-org-3035 189 28 . . . doi-org-3035 190 1 A a DT doi-org-3035 190 2 given give VBN doi-org-3035 190 3 URL url NN doi-org-3035 190 4 was be VBD doi-org-3035 190 5 only only RB doi-org-3035 190 6 visited visit VBN doi-org-3035 190 7 once once RB doi-org-3035 190 8 per per IN doi-org-3035 190 9 run run NN doi-org-3035 190 10 even even RB doi-org-3035 190 11 if if IN doi-org-3035 190 12 it -PRON- PRP doi-org-3035 190 13 was be VBD doi-org-3035 190 14 published publish VBN doi-org-3035 190 15 multiple multiple JJ doi-org-3035 190 16 times time NNS doi-org-3035 190 17 , , , doi-org-3035 190 18 saving save VBG doi-org-3035 190 19 load load NN doi-org-3035 190 20 on on IN doi-org-3035 190 21 the the DT doi-org-3035 190 22 server server NN doi-org-3035 190 23 and and CC doi-org-3035 190 24 speeding speed VBG doi-org-3035 190 25 up up RP doi-org-3035 190 26 the the DT doi-org-3035 190 27 total total JJ doi-org-3035 190 28 runtime runtime NN doi-org-3035 190 29 ( ( -LRB- doi-org-3035 190 30 which which WDT doi-org-3035 190 31 averaged average VBD doi-org-3035 190 32 about about RB doi-org-3035 190 33 25 25 CD doi-org-3035 190 34 minutes minute NNS doi-org-3035 190 35 due due JJ doi-org-3035 190 36 to to IN doi-org-3035 190 37 use use NN doi-org-3035 190 38 of of IN doi-org-3035 190 39 parallelism parallelism NN doi-org-3035 190 40 ) ) -RRB- doi-org-3035 190 41 . . . doi-org-3035 191 1 Failure failure NN doi-org-3035 191 2 was be VBD doi-org-3035 191 3 viewed view VBN doi-org-3035 191 4 as as IN doi-org-3035 191 5 anything anything NN doi-org-3035 191 6 that that WDT doi-org-3035 191 7 caused cause VBD doi-org-3035 191 8 an an DT doi-org-3035 191 9 exception exception NN doi-org-3035 191 10 in in IN doi-org-3035 191 11 python python NNP doi-org-3035 191 12 's 's POS doi-org-3035 191 13 " " `` doi-org-3035 191 14 urllib2 urllib2 NNP doi-org-3035 191 15 " " '' doi-org-3035 191 16 package package NN doi-org-3035 191 17 ( ( -LRB- doi-org-3035 191 18 which which WDT doi-org-3035 191 19 includes include VBZ doi-org-3035 191 20 error error NN doi-org-3035 191 21 statuses status NNS doi-org-3035 191 22 , , , doi-org-3035 191 23 like like IN doi-org-3035 191 24 404 404 CD doi-org-3035 191 25 ) ) -RRB- doi-org-3035 191 26 , , , doi-org-3035 191 27 with with IN doi-org-3035 191 28 the the DT doi-org-3035 191 29 exception exception NN doi-org-3035 191 30 reason reason NN doi-org-3035 191 31 being be VBG doi-org-3035 191 32 recorded record VBN doi-org-3035 191 33 for for IN doi-org-3035 191 34 later later JJ doi-org-3035 191 35 analysis analysis NN doi-org-3035 191 36 . . . doi-org-3035 192 1 While while IN doi-org-3035 192 2 investigating investigate VBG doi-org-3035 192 3 some some DT doi-org-3035 192 4 of of IN doi-org-3035 192 5 the the DT doi-org-3035 192 6 failed fail VBN doi-org-3035 192 7 fetches fetch NNS doi-org-3035 192 8 , , , doi-org-3035 192 9 a a DT doi-org-3035 192 10 curious curious JJ doi-org-3035 192 11 thing thing NN doi-org-3035 192 12 was be VBD doi-org-3035 192 13 noted note VBN doi-org-3035 192 14 : : : doi-org-3035 192 15 there there EX doi-org-3035 192 16 were be VBD doi-org-3035 192 17 URLs url NNS doi-org-3035 192 18 that that WDT doi-org-3035 192 19 would would MD doi-org-3035 192 20 consistently consistently RB doi-org-3035 192 21 work work VB doi-org-3035 192 22 with with IN doi-org-3035 192 23 a a DT doi-org-3035 192 24 web web NN doi-org-3035 192 25 browser browser NN doi-org-3035 192 26 but but CC doi-org-3035 192 27 not not RB doi-org-3035 192 28 with with IN doi-org-3035 192 29 the the DT doi-org-3035 192 30 Python Python NNP doi-org-3035 192 31 program program NN doi-org-3035 192 32 or or CC doi-org-3035 192 33 other other JJ doi-org-3035 192 34 command command NN doi-org-3035 192 35 line line NN doi-org-3035 192 36 downloaders downloader NNS doi-org-3035 192 37 like like IN doi-org-3035 192 38 wget wget NN doi-org-3035 192 39 . . . doi-org-3035 193 1 After after IN doi-org-3035 193 2 some some DT doi-org-3035 193 3 investigation investigation NN doi-org-3035 193 4 , , , doi-org-3035 193 5 it -PRON- PRP doi-org-3035 193 6 was be VBD doi-org-3035 193 7 realized realize VBN doi-org-3035 193 8 that that IN doi-org-3035 193 9 the the DT doi-org-3035 193 10 web web NN doi-org-3035 193 11 server server NN doi-org-3035 193 12 was be VBD doi-org-3035 193 13 denying deny VBG doi-org-3035 193 14 access access NN doi-org-3035 193 15 to to IN doi-org-3035 193 16 unrecognized unrecognized JJ doi-org-3035 193 17 User User NNP doi-org-3035 193 18 Agent Agent NNP doi-org-3035 193 19 strings string NNS doi-org-3035 193 20 . . . doi-org-3035 194 1 In in IN doi-org-3035 194 2 response response NN doi-org-3035 194 3 , , , doi-org-3035 194 4 the the DT doi-org-3035 194 5 Python Python NNP doi-org-3035 194 6 program program NN doi-org-3035 194 7 adopted adopt VBD doi-org-3035 194 8 the the DT doi-org-3035 194 9 User User NNP doi-org-3035 194 10 Agent Agent NNP doi-org-3035 194 11 of of IN doi-org-3035 194 12 a a DT doi-org-3035 194 13 regular regular JJ doi-org-3035 194 14 browser browser NN doi-org-3035 194 15 and and CC doi-org-3035 194 16 subsequently subsequently RB doi-org-3035 194 17 reduced reduce VBD doi-org-3035 194 18 the the DT doi-org-3035 194 19 number number NN doi-org-3035 194 20 of of IN doi-org-3035 194 21 failed fail VBN doi-org-3035 194 22 URLs url NNS doi-org-3035 194 23 . . . doi-org-3035 195 1 At at IN doi-org-3035 195 2 the the DT doi-org-3035 195 3 end end NN doi-org-3035 195 4 of of IN doi-org-3035 195 5 the the DT doi-org-3035 195 6 live live JJ doi-org-3035 195 7 web web NN doi-org-3035 195 8 testing testing NN doi-org-3035 195 9 period period NN doi-org-3035 195 10 , , , doi-org-3035 195 11 a a DT doi-org-3035 195 12 custom custom NN doi-org-3035 195 13 program program NN doi-org-3035 195 14 ( ( -LRB- doi-org-3035 195 15 check_urls_archived.py check_urls_archived.py NN doi-org-3035 195 16 in in IN doi-org-3035 195 17 Additional additional JJ doi-org-3035 195 18 file file NN doi-org-3035 195 19 1 1 CD doi-org-3035 195 20 ) ) -RRB- doi-org-3035 195 21 was be VBD doi-org-3035 195 22 used use VBN doi-org-3035 195 23 to to TO doi-org-3035 195 24 programmatically programmatically RB doi-org-3035 195 25 query query VB doi-org-3035 195 26 the the DT doi-org-3035 195 27 archive archive JJ doi-org-3035 195 28 engines engine NNS doi-org-3035 195 29 on on IN doi-org-3035 195 30 May May NNP doi-org-3035 195 31 23 23 CD doi-org-3035 195 32 , , , doi-org-3035 195 33 2011 2011 CD doi-org-3035 195 34 . . . doi-org-3035 196 1 For for IN doi-org-3035 196 2 the the DT doi-org-3035 196 3 Internet Internet NNP doi-org-3035 196 4 Archive Archive NNP doi-org-3035 196 5 's 's POS doi-org-3035 196 6 Wayback Wayback NNP doi-org-3035 196 7 Machine Machine NNP doi-org-3035 196 8 , , , doi-org-3035 196 9 this this DT doi-org-3035 196 10 was be VBD doi-org-3035 196 11 done do VBN doi-org-3035 196 12 using use VBG doi-org-3035 196 13 an an DT doi-org-3035 196 14 HTTP HTTP NNP doi-org-3035 196 15 HEAD HEAD NNP doi-org-3035 196 16 request request NN doi-org-3035 196 17 ( ( -LRB- doi-org-3035 196 18 which which WDT doi-org-3035 196 19 saves save VBZ doi-org-3035 196 20 resources resource NNS doi-org-3035 196 21 vs. vs. IN doi-org-3035 196 22 GET GET NNP doi-org-3035 196 23 ) ) -RRB- doi-org-3035 196 24 on on IN doi-org-3035 196 25 the the DT doi-org-3035 196 26 URL url NN doi-org-3035 196 27 formed form VBN doi-org-3035 196 28 by by IN doi-org-3035 196 29 " " `` doi-org-3035 196 30 http://web.archive.org/web/*/ http://web.archive.org/web/*/ NNP doi-org-3035 196 31 " " '' doi-org-3035 196 32 + + CC doi-org-3035 196 33 < < XX doi-org-3035 196 34 the the DT doi-org-3035 196 35 url url JJ doi-org-3035 196 36 > > XX doi-org-3035 196 37 . . . doi-org-3035 197 1 Status Status NNP doi-org-3035 197 2 was be VBD doi-org-3035 197 3 judged judge VBN doi-org-3035 197 4 by by IN doi-org-3035 197 5 the the DT doi-org-3035 197 6 resulting result VBG doi-org-3035 197 7 HTTP http JJ doi-org-3035 197 8 status status NN doi-org-3035 197 9 code code NN doi-org-3035 197 10 with with IN doi-org-3035 197 11 200 200 CD doi-org-3035 197 12 meaning mean VBG doi-org-3035 197 13 success success NN doi-org-3035 197 14 , , , doi-org-3035 197 15 404 404 CD doi-org-3035 197 16 meaning mean VBG doi-org-3035 197 17 not not RB doi-org-3035 197 18 archived archive VBN doi-org-3035 197 19 , , , doi-org-3035 197 20 403 403 CD doi-org-3035 197 21 signifying signify VBG doi-org-3035 197 22 a a DT doi-org-3035 197 23 page page NN doi-org-3035 197 24 blocked block VBN doi-org-3035 197 25 due due JJ doi-org-3035 197 26 to to IN doi-org-3035 197 27 robots.txt robots.txt NN doi-org-3035 197 28 and and CC doi-org-3035 197 29 503 503 CD doi-org-3035 197 30 meaning meaning NN doi-org-3035 197 31 that that IN doi-org-3035 197 32 the the DT doi-org-3035 197 33 server server NN doi-org-3035 197 34 was be VBD doi-org-3035 197 35 too too RB doi-org-3035 197 36 busy busy JJ doi-org-3035 197 37 . . . doi-org-3035 198 1 Because because IN doi-org-3035 198 2 there there EX doi-org-3035 198 3 were be VBD doi-org-3035 198 4 a a DT doi-org-3035 198 5 number number NN doi-org-3035 198 6 of of IN doi-org-3035 198 7 these these DT doi-org-3035 198 8 503 503 CD doi-org-3035 198 9 codes code NNS doi-org-3035 198 10 , , , doi-org-3035 198 11 the the DT doi-org-3035 198 12 script script NN doi-org-3035 198 13 would would MD doi-org-3035 198 14 make make VB doi-org-3035 198 15 up up RP doi-org-3035 198 16 to to TO doi-org-3035 198 17 4 4 CD doi-org-3035 198 18 attempts attempt NNS doi-org-3035 198 19 to to TO doi-org-3035 198 20 access access VB doi-org-3035 198 21 the the DT doi-org-3035 198 22 URL url NN doi-org-3035 198 23 , , , doi-org-3035 198 24 with with IN doi-org-3035 198 25 increasing increase VBG doi-org-3035 198 26 back back RB doi-org-3035 198 27 off off IN doi-org-3035 198 28 delays delay NNS doi-org-3035 198 29 to to TO doi-org-3035 198 30 keep keep VB doi-org-3035 198 31 from from IN doi-org-3035 198 32 overloading overload VBG doi-org-3035 198 33 IA IA NNP doi-org-3035 198 34 's 's POS doi-org-3035 198 35 servers server NNS doi-org-3035 198 36 . . . doi-org-3035 199 1 The the DT doi-org-3035 199 2 end end NN doi-org-3035 199 3 result result NN doi-org-3035 199 4 still still RB doi-org-3035 199 5 contained contain VBD doi-org-3035 199 6 18 18 CD doi-org-3035 199 7 , , , doi-org-3035 199 8 which which WDT doi-org-3035 199 9 were be VBD doi-org-3035 199 10 counted count VBN doi-org-3035 199 11 as as IN doi-org-3035 199 12 not not RB doi-org-3035 199 13 archived archive VBN doi-org-3035 199 14 for for IN doi-org-3035 199 15 analysis analysis NN doi-org-3035 199 16 . . . doi-org-3035 200 1 For for IN doi-org-3035 200 2 WebCite WebCite NNP doi-org-3035 200 3 , , , doi-org-3035 200 4 the the DT doi-org-3035 200 5 documented document VBN doi-org-3035 200 6 API API NNP doi-org-3035 200 7 was be VBD doi-org-3035 200 8 used use VBN doi-org-3035 200 9 . . . doi-org-3035 201 1 This this DT doi-org-3035 201 2 supports support VBZ doi-org-3035 201 3 returning return VBG doi-org-3035 201 4 XML xml NN doi-org-3035 201 5 , , , doi-org-3035 201 6 a a DT doi-org-3035 201 7 format format NN doi-org-3035 201 8 very very RB doi-org-3035 201 9 suitable suitable JJ doi-org-3035 201 10 to to IN doi-org-3035 201 11 automated automate VBN doi-org-3035 201 12 parsing parsing JJ doi-org-3035 201 13 [ [ -LRB- doi-org-3035 201 14 23 23 CD doi-org-3035 201 15 ] ] -RRB- doi-org-3035 201 16 . . . doi-org-3035 202 1 For for IN doi-org-3035 202 2 sites site NNS doi-org-3035 202 3 containing contain VBG doi-org-3035 202 4 multiple multiple JJ doi-org-3035 202 5 statuses status NNS doi-org-3035 202 6 , , , doi-org-3035 202 7 any any DT doi-org-3035 202 8 successful successful JJ doi-org-3035 202 9 archiving archiving NN doi-org-3035 202 10 was be VBD doi-org-3035 202 11 taken take VBN doi-org-3035 202 12 as as IN doi-org-3035 202 13 a a DT doi-org-3035 202 14 success success NN doi-org-3035 202 15 . . . doi-org-3035 203 1 References reference NNS doi-org-3035 203 2 1.Ducut 1.ducut CD doi-org-3035 203 3 E E NNS doi-org-3035 203 4 , , , doi-org-3035 203 5 Liu Liu NNP doi-org-3035 203 6 F F NNP doi-org-3035 203 7 , , , doi-org-3035 203 8 Fontelo Fontelo NNP doi-org-3035 203 9 P P NNP doi-org-3035 203 10 : : : doi-org-3035 203 11 An an DT doi-org-3035 203 12 update update NN doi-org-3035 203 13 on on IN doi-org-3035 203 14 Uniform Uniform NNP doi-org-3035 203 15 Resource Resource NNP doi-org-3035 203 16 Locator Locator NNP doi-org-3035 203 17 ( ( -LRB- doi-org-3035 203 18 URL URL NNP doi-org-3035 203 19 ) ) -RRB- doi-org-3035 203 20 decay decay NN doi-org-3035 203 21 in in IN doi-org-3035 203 22 MEDLINE MEDLINE NNP doi-org-3035 203 23 abstracts abstract NNS doi-org-3035 203 24 and and CC doi-org-3035 203 25 measures measure NNS doi-org-3035 203 26 for for IN doi-org-3035 203 27 its -PRON- PRP$ doi-org-3035 203 28 mitigation mitigation NN doi-org-3035 203 29 . . . doi-org-3035 204 1 BMC BMC NNP doi-org-3035 204 2 Med Med NNP doi-org-3035 204 3 Inform Inform NNP doi-org-3035 204 4 Decis Decis NNP doi-org-3035 204 5 Mak Mak NNP doi-org-3035 204 6 . . . doi-org-3035 205 1 2008 2008 CD doi-org-3035 205 2 , , , doi-org-3035 205 3 8:- 8:- NN doi-org-3035 205 4 PubMed PubMed NNP doi-org-3035 205 5 Central Central NNP doi-org-3035 205 6     _SP doi-org-3035 205 7 Article Article NNP doi-org-3035 205 8     _SP doi-org-3035 205 9 PubMed PubMed NNP doi-org-3035 205 10     _SP doi-org-3035 205 11 Google Google NNP doi-org-3035 205 12 Scholar Scholar NNP doi-org-3035 205 13     _SP doi-org-3035 205 14 2.Aronsky 2.aronsky CD doi-org-3035 205 15 D D NNP doi-org-3035 205 16 , , , doi-org-3035 205 17 Madani Madani NNP doi-org-3035 205 18 S S NNP doi-org-3035 205 19 , , , doi-org-3035 205 20 Carnevale Carnevale NNP doi-org-3035 205 21 RJ RJ NNP doi-org-3035 205 22 , , , doi-org-3035 205 23 Duda Duda NNP doi-org-3035 205 24 S S NNP doi-org-3035 205 25 , , , doi-org-3035 205 26 Feyder Feyder NNP doi-org-3035 205 27 MT MT NNP doi-org-3035 205 28 : : : doi-org-3035 205 29 The the DT doi-org-3035 205 30 prevalence prevalence NN doi-org-3035 205 31 and and CC doi-org-3035 205 32 inaccessibility inaccessibility NN doi-org-3035 205 33 of of IN doi-org-3035 205 34 Internet internet NN doi-org-3035 205 35 references reference NNS doi-org-3035 205 36 in in IN doi-org-3035 205 37 the the DT doi-org-3035 205 38 biomedical biomedical JJ doi-org-3035 205 39 literature literature NN doi-org-3035 205 40 at at IN doi-org-3035 205 41 the the DT doi-org-3035 205 42 time time NN doi-org-3035 205 43 of of IN doi-org-3035 205 44 publication publication NN doi-org-3035 205 45 . . . doi-org-3035 206 1 J J NNP doi-org-3035 206 2 Am be VBP doi-org-3035 206 3 Med Med NNP doi-org-3035 206 4 Inform Inform NNP doi-org-3035 206 5 Assn Assn NNP doi-org-3035 206 6 . . . doi-org-3035 207 1 2007 2007 CD doi-org-3035 207 2 , , , doi-org-3035 207 3 14 14 CD doi-org-3035 207 4 : : SYM doi-org-3035 207 5 232 232 CD doi-org-3035 207 6 - - SYM doi-org-3035 207 7 234 234 CD doi-org-3035 207 8 . . . doi-org-3035 208 1 10.1197 10.1197 CD doi-org-3035 208 2 / / SYM doi-org-3035 208 3 jamia jamia NN doi-org-3035 208 4 . . . doi-org-3035 208 5 M2243 M2243 NNP doi-org-3035 208 6 . . . doi-org-3035 209 1 Article Article NNP doi-org-3035 209 2     _SP doi-org-3035 209 3 Google Google NNP doi-org-3035 209 4 Scholar Scholar NNP doi-org-3035 209 5     _SP doi-org-3035 209 6 3.Wren 3.Wren NNP doi-org-3035 209 7 JD JD NNP doi-org-3035 209 8 : : : doi-org-3035 209 9 URL URL NNP doi-org-3035 209 10 decay decay NN doi-org-3035 209 11 in in IN doi-org-3035 209 12 MEDLINE MEDLINE NNP doi-org-3035 209 13 - - , doi-org-3035 209 14 a a DT doi-org-3035 209 15 4-year 4-year CD doi-org-3035 209 16 follow follow NN doi-org-3035 209 17 - - HYPH doi-org-3035 209 18 up up NN doi-org-3035 209 19 study study NN doi-org-3035 209 20 . . . doi-org-3035 210 1 Bioinformatics bioinformatic NNS doi-org-3035 210 2 . . . doi-org-3035 211 1 2008 2008 CD doi-org-3035 211 2 , , , doi-org-3035 211 3 24 24 CD doi-org-3035 211 4 : : SYM doi-org-3035 211 5 1381 1381 CD doi-org-3035 211 6 - - SYM doi-org-3035 211 7 1385 1385 CD doi-org-3035 211 8 . . . doi-org-3035 212 1 10.1093 10.1093 CD doi-org-3035 212 2 / / SYM doi-org-3035 212 3 bioinformatics bioinformatic NNS doi-org-3035 212 4 / / SYM doi-org-3035 212 5 btn127 btn127 NNP doi-org-3035 212 6 . . . doi-org-3035 213 1 CAS CAS NNP doi-org-3035 213 2     _SP doi-org-3035 213 3 Article Article NNP doi-org-3035 213 4     _SP doi-org-3035 213 5 PubMed PubMed NNP doi-org-3035 213 6     _SP doi-org-3035 213 7 Google Google NNP doi-org-3035 213 8 Scholar Scholar NNP doi-org-3035 213 9     _SP doi-org-3035 213 10 4.Wren 4.Wren NNP doi-org-3035 213 11 JD JD NNP doi-org-3035 213 12 : : : doi-org-3035 213 13 404 404 CD doi-org-3035 213 14 not not RB doi-org-3035 213 15 found find VBN doi-org-3035 213 16 : : : doi-org-3035 213 17 the the DT doi-org-3035 213 18 stability stability NN doi-org-3035 213 19 and and CC doi-org-3035 213 20 persistence persistence NN doi-org-3035 213 21 of of IN doi-org-3035 213 22 URLs url NNS doi-org-3035 213 23 published publish VBN doi-org-3035 213 24 in in IN doi-org-3035 213 25 MEDLINE MEDLINE NNP doi-org-3035 213 26 . . . doi-org-3035 214 1 Bioinformatics bioinformatic NNS doi-org-3035 214 2 . . . doi-org-3035 215 1 2004 2004 CD doi-org-3035 215 2 , , , doi-org-3035 215 3 20 20 CD doi-org-3035 215 4 : : SYM doi-org-3035 215 5 668-U208 668-u208 CD doi-org-3035 215 6 . . . doi-org-3035 216 1 10.1093 10.1093 CD doi-org-3035 216 2 / / SYM doi-org-3035 216 3 bioinformatics bioinformatic NNS doi-org-3035 216 4 / / SYM doi-org-3035 216 5 btg465 btg465 NNP doi-org-3035 216 6 . . . doi-org-3035 217 1 CAS CAS NNP doi-org-3035 217 2     _SP doi-org-3035 217 3 Article Article NNP doi-org-3035 217 4     _SP doi-org-3035 217 5 PubMed PubMed NNP doi-org-3035 217 6     _SP doi-org-3035 217 7 Google Google NNP doi-org-3035 217 8 Scholar Scholar NNP doi-org-3035 217 9     _SP doi-org-3035 217 10 5.Yang 5.Yang NNP doi-org-3035 217 11 SL SL NNP doi-org-3035 217 12 , , , doi-org-3035 217 13 Qiu Qiu NNP doi-org-3035 217 14 JP JP NNP doi-org-3035 217 15 , , , doi-org-3035 217 16 Xiong Xiong NNP doi-org-3035 217 17 ZY ZY NNP doi-org-3035 217 18 : : : doi-org-3035 217 19 An an DT doi-org-3035 217 20 empirical empirical JJ doi-org-3035 217 21 study study NN doi-org-3035 217 22 on on IN doi-org-3035 217 23 the the DT doi-org-3035 217 24 utilization utilization NN doi-org-3035 217 25 of of IN doi-org-3035 217 26 web web NN doi-org-3035 217 27 academic academic JJ doi-org-3035 217 28 resources resource NNS doi-org-3035 217 29 in in IN doi-org-3035 217 30 humanities humanity NNS doi-org-3035 217 31 and and CC doi-org-3035 217 32 social social JJ doi-org-3035 217 33 sciences science NNS doi-org-3035 217 34 based base VBN doi-org-3035 217 35 on on IN doi-org-3035 217 36 web web NN doi-org-3035 217 37 citations citation NNS doi-org-3035 217 38 . . . doi-org-3035 218 1 Scientometrics scientometric NNS doi-org-3035 218 2 . . . doi-org-3035 219 1 2010 2010 CD doi-org-3035 219 2 , , , doi-org-3035 219 3 84 84 CD doi-org-3035 219 4 : : SYM doi-org-3035 219 5 1 1 CD doi-org-3035 219 6 - - SYM doi-org-3035 219 7 19 19 CD doi-org-3035 219 8 . . . doi-org-3035 220 1 10.1007 10.1007 CD doi-org-3035 220 2 / / SYM doi-org-3035 220 3 s11192 s11192 CD doi-org-3035 220 4 - - HYPH doi-org-3035 220 5 009 009 CD doi-org-3035 220 6 - - HYPH doi-org-3035 220 7 0142 0142 CD doi-org-3035 220 8 - - HYPH doi-org-3035 220 9 7 7 CD doi-org-3035 220 10 . . . doi-org-3035 221 1 Article Article NNP doi-org-3035 221 2     _SP doi-org-3035 221 3 Google Google NNP doi-org-3035 221 4 Scholar Scholar NNP doi-org-3035 221 5     _SP doi-org-3035 221 6 6.The 6.the IN doi-org-3035 221 7 Internet Internet NNP doi-org-3035 221 8 Archive Archive NNP doi-org-3035 221 9 . . . doi-org-3035 222 1 [ [ -LRB- doi-org-3035 222 2 http://www.archive.org/web/web.php http://www.archive.org/web/web.php LS doi-org-3035 222 3 ] ] -RRB- doi-org-3035 222 4 7.Eysenbach 7.eysenbach CD doi-org-3035 222 5 G g NN doi-org-3035 222 6 , , , doi-org-3035 222 7 Trudell Trudell NNP doi-org-3035 222 8 M M NNP doi-org-3035 222 9 : : : doi-org-3035 222 10 Going go VBG doi-org-3035 222 11 , , , doi-org-3035 222 12 going go VBG doi-org-3035 222 13 , , , doi-org-3035 222 14 still still RB doi-org-3035 222 15 there there RB doi-org-3035 222 16 : : : doi-org-3035 222 17 Using use VBG doi-org-3035 222 18 the the DT doi-org-3035 222 19 WebCite WebCite NNP doi-org-3035 222 20 service service NN doi-org-3035 222 21 to to TO doi-org-3035 222 22 permanently permanently RB doi-org-3035 222 23 archive archive JJ doi-org-3035 222 24 cited cite VBN doi-org-3035 222 25 web web NN doi-org-3035 222 26 pages page NNS doi-org-3035 222 27 . . . doi-org-3035 223 1 Journal Journal NNP doi-org-3035 223 2 of of IN doi-org-3035 223 3 Medical Medical NNP doi-org-3035 223 4 Internet Internet NNP doi-org-3035 223 5 Research Research NNP doi-org-3035 223 6 . . . doi-org-3035 224 1 2005 2005 CD doi-org-3035 224 2 , , , doi-org-3035 224 3 7 7 CD doi-org-3035 224 4 : : SYM doi-org-3035 224 5 2 2 CD doi-org-3035 224 6 - - SYM doi-org-3035 224 7 6 6 CD doi-org-3035 224 8 . . . doi-org-3035 225 1 10.2196 10.2196 CD doi-org-3035 225 2 / / SYM doi-org-3035 225 3 jmir.7.1.e2 jmir.7.1.e2 NNP doi-org-3035 225 4 . . . doi-org-3035 226 1 Article Article NNP doi-org-3035 226 2     _SP doi-org-3035 226 3 Google Google NNP doi-org-3035 226 4 Scholar Scholar NNP doi-org-3035 226 5     _SP doi-org-3035 226 6 8.The 8.the CD doi-org-3035 226 7 DOI DOI NNP doi-org-3035 226 8 System system NN doi-org-3035 226 9 . . . doi-org-3035 227 1 [ [ -LRB- doi-org-3035 227 2 http://www.doi.org/ http://www.doi.org/ NNP doi-org-3035 227 3 ] ] -RRB- doi-org-3035 227 4 9.PURL 9.purl CD doi-org-3035 227 5 Home home NN doi-org-3035 227 6 Page Page NNP doi-org-3035 227 7 . . . doi-org-3035 228 1 [ [ -LRB- doi-org-3035 228 2 http://purl.org http://purl.org NNP doi-org-3035 228 3 ] ] -RRB- doi-org-3035 228 4 10.Key 10.key CD doi-org-3035 228 5 Facts fact NNS doi-org-3035 228 6 on on IN doi-org-3035 228 7 Digital Digital NNP doi-org-3035 228 8 Object Object NNP doi-org-3035 228 9 identifier identifier NN doi-org-3035 228 10 System System NNP doi-org-3035 228 11 . . . doi-org-3035 229 1 [ [ -LRB- doi-org-3035 229 2 http://www.doi.org/factsheets/DOIKeyFacts.html http://www.doi.org/factsheets/DOIKeyFacts.html NNP doi-org-3035 229 3 ] ] -RRB- doi-org-3035 229 4 11.Wren 11.wren CD doi-org-3035 229 5 JD JD NNP doi-org-3035 229 6 , , , doi-org-3035 229 7 Johnson Johnson NNP doi-org-3035 229 8 KR KR NNP doi-org-3035 229 9 , , , doi-org-3035 229 10 Crockett Crockett NNP doi-org-3035 229 11 DM DM NNP doi-org-3035 229 12 , , , doi-org-3035 229 13 Heilig Heilig NNP doi-org-3035 229 14 LF LF NNP doi-org-3035 229 15 , , , doi-org-3035 229 16 Schilling Schilling NNP doi-org-3035 229 17 LM LM NNP doi-org-3035 229 18 , , , doi-org-3035 229 19 Dellavalle Dellavalle NNP doi-org-3035 229 20 RP RP NNP doi-org-3035 229 21 : : : doi-org-3035 229 22 Uniform uniform NN doi-org-3035 229 23 resource resource NN doi-org-3035 229 24 locator locator NN doi-org-3035 229 25 decay decay NN doi-org-3035 229 26 in in IN doi-org-3035 229 27 dermatology dermatology NN doi-org-3035 229 28 journals journal NNS doi-org-3035 229 29 - - HYPH doi-org-3035 229 30 Author author NN doi-org-3035 229 31 attitudes attitude NNS doi-org-3035 229 32 and and CC doi-org-3035 229 33 preservation preservation NN doi-org-3035 229 34 practices practice NNS doi-org-3035 229 35 . . . doi-org-3035 230 1 Arch Arch NNP doi-org-3035 230 2 Dermatol Dermatol NNP doi-org-3035 230 3 . . . doi-org-3035 231 1 2006 2006 CD doi-org-3035 231 2 , , , doi-org-3035 231 3 142 142 CD doi-org-3035 231 4 : : SYM doi-org-3035 231 5 1147 1147 CD doi-org-3035 231 6 - - SYM doi-org-3035 231 7 1152 1152 CD doi-org-3035 231 8 . . . doi-org-3035 232 1 10.1001 10.1001 CD doi-org-3035 232 2 / / SYM doi-org-3035 232 3 archderm.142.9.1147 archderm.142.9.1147 CD doi-org-3035 232 4 . . . doi-org-3035 233 1 Article article NN doi-org-3035 233 2     _SP doi-org-3035 233 3 PubMed PubMed NNP doi-org-3035 233 4     _SP doi-org-3035 233 5 Google Google NNP doi-org-3035 233 6 Scholar Scholar NNP doi-org-3035 233 7     _SP doi-org-3035 233 8 12.Casserly 12.casserly RB doi-org-3035 233 9 MF MF NNP doi-org-3035 233 10 , , , doi-org-3035 233 11 Bird Bird NNP doi-org-3035 233 12 JE JE NNP doi-org-3035 233 13 : : : doi-org-3035 233 14 Web web NN doi-org-3035 233 15 citation citation NN doi-org-3035 233 16 availability availability NN doi-org-3035 233 17 : : : doi-org-3035 233 18 Analysis analysis NN doi-org-3035 233 19 and and CC doi-org-3035 233 20 implications implication NNS doi-org-3035 233 21 for for IN doi-org-3035 233 22 scholarship scholarship NN doi-org-3035 233 23 . . . doi-org-3035 234 1 College College NNP doi-org-3035 234 2 & & CC doi-org-3035 234 3 Research Research NNP doi-org-3035 234 4 Libraries Libraries NNPS doi-org-3035 234 5 . . . doi-org-3035 235 1 2003 2003 CD doi-org-3035 235 2 , , , doi-org-3035 235 3 64 64 CD doi-org-3035 235 4 : : : doi-org-3035 235 5 300 300 CD doi-org-3035 235 6 - - SYM doi-org-3035 235 7 317 317 CD doi-org-3035 235 8 . . . doi-org-3035 236 1 10.5860 10.5860 CD doi-org-3035 236 2 / / SYM doi-org-3035 236 3 crl.64.4.300 crl.64.4.300 NN doi-org-3035 236 4 . . . doi-org-3035 237 1 Article Article NNP doi-org-3035 237 2     _SP doi-org-3035 237 3 Google Google NNP doi-org-3035 237 4 Scholar Scholar NNP doi-org-3035 237 5     _SP doi-org-3035 237 6 13.EZID 13.ezid NN doi-org-3035 237 7 : : : doi-org-3035 237 8 Pricing pricing NN doi-org-3035 237 9 . . . doi-org-3035 238 1 [ [ -LRB- doi-org-3035 238 2 http://n2t.net/ezid/home/pricing http://n2t.net/ezid/home/price VBG doi-org-3035 238 3 ] ] -RRB- doi-org-3035 238 4 14.Wagner 14.Wagner NNP doi-org-3035 238 5 C C NNP doi-org-3035 238 6 , , , doi-org-3035 238 7 Gebremichael Gebremichael NNP doi-org-3035 238 8 MD MD NNP doi-org-3035 238 9 , , , doi-org-3035 238 10 Taylor Taylor NNP doi-org-3035 238 11 MK MK NNP doi-org-3035 238 12 , , , doi-org-3035 238 13 Soltys Soltys NNP doi-org-3035 238 14 MJ MJ NNP doi-org-3035 238 15 : : : doi-org-3035 238 16 Disappearing disappear VBG doi-org-3035 238 17 act act NN doi-org-3035 238 18 : : : doi-org-3035 238 19 decay decay NN doi-org-3035 238 20 of of IN doi-org-3035 238 21 uniform uniform JJ doi-org-3035 238 22 resource resource NN doi-org-3035 238 23 locators locator NNS doi-org-3035 238 24 in in IN doi-org-3035 238 25 health health NN doi-org-3035 238 26 care care NN doi-org-3035 238 27 management management NN doi-org-3035 238 28 journals journal NNS doi-org-3035 238 29 . . . doi-org-3035 239 1 J J NNP doi-org-3035 239 2 Med Med NNP doi-org-3035 239 3 Libr Libr NNP doi-org-3035 239 4 Assoc Assoc NNP doi-org-3035 239 5 . . . doi-org-3035 240 1 2009 2009 CD doi-org-3035 240 2 , , , doi-org-3035 240 3 97 97 CD doi-org-3035 240 4 : : SYM doi-org-3035 240 5 122 122 CD doi-org-3035 240 6 - - SYM doi-org-3035 240 7 130 130 CD doi-org-3035 240 8 . . . doi-org-3035 241 1 10.3163/1536 10.3163/1536 CD doi-org-3035 241 2 - - SYM doi-org-3035 241 3 5050.97.2.009 5050.97.2.009 CD doi-org-3035 241 4 . . . doi-org-3035 242 1 PubMed PubMed NNP doi-org-3035 242 2 Central Central NNP doi-org-3035 242 3     _SP doi-org-3035 242 4 Article Article NNP doi-org-3035 242 5     _SP doi-org-3035 242 6 PubMed PubMed NNP doi-org-3035 242 7     _SP doi-org-3035 242 8 Google Google NNP doi-org-3035 242 9 Scholar Scholar NNP doi-org-3035 242 10     _SP doi-org-3035 242 11 15.Koehler 15.koehler NN doi-org-3035 242 12 W W NNP doi-org-3035 242 13 : : : doi-org-3035 242 14 An an DT doi-org-3035 242 15 analysis analysis NN doi-org-3035 242 16 of of IN doi-org-3035 242 17 Web web NN doi-org-3035 242 18 page page NN doi-org-3035 242 19 and and CC doi-org-3035 242 20 Web web NN doi-org-3035 242 21 site site NN doi-org-3035 242 22 constancy constancy NN doi-org-3035 242 23 and and CC doi-org-3035 242 24 permanence permanence NN doi-org-3035 242 25 . . . doi-org-3035 243 1 J J NNP doi-org-3035 243 2 Am Am NNP doi-org-3035 243 3 Soc Soc NNP doi-org-3035 243 4 Inf Inf NNP doi-org-3035 243 5 Sci Sci NNP doi-org-3035 243 6 . . . doi-org-3035 244 1 1999 1999 CD doi-org-3035 244 2 , , , doi-org-3035 244 3 50 50 CD doi-org-3035 244 4 : : SYM doi-org-3035 244 5 162 162 CD doi-org-3035 244 6 - - HYPH doi-org-3035 244 7 180 180 CD doi-org-3035 244 8 . . . doi-org-3035 245 1 10.1002/(SICI)1097 10.1002/(sici)1097 CD doi-org-3035 245 2 - - HYPH doi-org-3035 245 3 4571(1999)50:2<162::AID 4571(1999)50:2<162::aid CD doi-org-3035 245 4 - - HYPH doi-org-3035 245 5 ASI7>3.0.CO;2-B. asi7>3.0.co;2-b. NN doi-org-3035 246 1 Article Article NNP doi-org-3035 246 2     _SP doi-org-3035 246 3 Google Google NNP doi-org-3035 246 4 Scholar Scholar NNP doi-org-3035 246 5     _SP doi-org-3035 246 6 16.Bar 16.bar CD doi-org-3035 246 7 - - HYPH doi-org-3035 246 8 Ilan Ilan NNP doi-org-3035 246 9 J J NNP doi-org-3035 246 10 , , , doi-org-3035 246 11 Peritz Peritz NNP doi-org-3035 246 12 BC BC NNP doi-org-3035 246 13 : : : doi-org-3035 246 14 Evolution evolution NN doi-org-3035 246 15 , , , doi-org-3035 246 16 continuity continuity NN doi-org-3035 246 17 , , , doi-org-3035 246 18 and and CC doi-org-3035 246 19 disappearance disappearance NN doi-org-3035 246 20 of of IN doi-org-3035 246 21 documents document NNS doi-org-3035 246 22 on on IN doi-org-3035 246 23 a a DT doi-org-3035 246 24 specific specific JJ doi-org-3035 246 25 topic topic NN doi-org-3035 246 26 on on IN doi-org-3035 246 27 the the DT doi-org-3035 246 28 web web NN doi-org-3035 246 29 : : : doi-org-3035 246 30 A a DT doi-org-3035 246 31 longitudinal longitudinal JJ doi-org-3035 246 32 study study NN doi-org-3035 246 33 of of IN doi-org-3035 246 34 " " `` doi-org-3035 246 35 informetrics informetric NNS doi-org-3035 246 36 " " '' doi-org-3035 246 37 . . . doi-org-3035 247 1 Journal Journal NNP doi-org-3035 247 2 of of IN doi-org-3035 247 3 the the DT doi-org-3035 247 4 American American NNP doi-org-3035 247 5 Society Society NNP doi-org-3035 247 6 for for IN doi-org-3035 247 7 Information Information NNP doi-org-3035 247 8 Science Science NNP doi-org-3035 247 9 and and CC doi-org-3035 247 10 Technology Technology NNP doi-org-3035 247 11 . . . doi-org-3035 248 1 2004 2004 CD doi-org-3035 248 2 , , , doi-org-3035 248 3 55 55 CD doi-org-3035 248 4 : : SYM doi-org-3035 248 5 980 980 CD doi-org-3035 248 6 - - HYPH doi-org-3035 248 7 990 990 CD doi-org-3035 248 8 . . . doi-org-3035 249 1 10.1002 10.1002 CD doi-org-3035 249 2 / / SYM doi-org-3035 249 3 asi.20049 asi.20049 CD doi-org-3035 249 4 . . . doi-org-3035 250 1 Article Article NNP doi-org-3035 250 2     _SP doi-org-3035 250 3 Google Google NNP doi-org-3035 250 4 Scholar Scholar NNP doi-org-3035 250 5     _SP doi-org-3035 250 6 17.Koehler 17.koehler NN doi-org-3035 250 7 W w NN doi-org-3035 250 8 : : : doi-org-3035 250 9 A a DT doi-org-3035 250 10 longitudinal longitudinal JJ doi-org-3035 250 11 study study NN doi-org-3035 250 12 of of IN doi-org-3035 250 13 Web web NN doi-org-3035 250 14 pages page NNS doi-org-3035 250 15 continued continue VBD doi-org-3035 250 16 : : : doi-org-3035 250 17 a a DT doi-org-3035 250 18 consideration consideration NN doi-org-3035 250 19 of of IN doi-org-3035 250 20 document document NN doi-org-3035 250 21 persistence persistence NN doi-org-3035 250 22 . . . doi-org-3035 251 1 Information Information NNP doi-org-3035 251 2 Research Research NNP doi-org-3035 251 3 - - : doi-org-3035 251 4 an an DT doi-org-3035 251 5 International International NNP doi-org-3035 251 6 Electronic Electronic NNP doi-org-3035 251 7 Journal Journal NNP doi-org-3035 251 8 . . . doi-org-3035 252 1 2004 2004 CD doi-org-3035 252 2 , , , doi-org-3035 252 3 9 9 CD doi-org-3035 252 4 : : : doi-org-3035 252 5 -- -- : doi-org-3035 252 6 Google Google NNP doi-org-3035 252 7 Scholar Scholar NNP doi-org-3035 252 8     _SP doi-org-3035 252 9 18.Casserly 18.casserly IN doi-org-3035 252 10 MF MF NNP doi-org-3035 252 11 , , , doi-org-3035 252 12 Bird Bird NNP doi-org-3035 252 13 JE JE NNP doi-org-3035 252 14 : : : doi-org-3035 252 15 Web web NN doi-org-3035 252 16 citation citation NN doi-org-3035 252 17 availability availability NN doi-org-3035 252 18 - - : doi-org-3035 252 19 A a DT doi-org-3035 252 20 follow follow VB doi-org-3035 252 21 - - HYPH doi-org-3035 252 22 up up RP doi-org-3035 252 23 study study NN doi-org-3035 252 24 . . . doi-org-3035 253 1 Libr Libr NNP doi-org-3035 253 2 Resour Resour NNP doi-org-3035 253 3 Tech Tech NNP doi-org-3035 253 4 Ser Ser NNP doi-org-3035 253 5 . . . doi-org-3035 254 1 2008 2008 CD doi-org-3035 254 2 , , , doi-org-3035 254 3 52 52 CD doi-org-3035 254 4 : : SYM doi-org-3035 254 5 42 42 CD doi-org-3035 254 6 - - SYM doi-org-3035 254 7 53 53 CD doi-org-3035 254 8 . . . doi-org-3035 255 1 10.5860 10.5860 CD doi-org-3035 255 2 / / SYM doi-org-3035 255 3 lrts.52n1.42 lrts.52n1.42 CD doi-org-3035 255 4 . . . doi-org-3035 256 1 Article Article NNP doi-org-3035 256 2     _SP doi-org-3035 256 3 Google Google NNP doi-org-3035 256 4 Scholar Scholar NNP doi-org-3035 256 5     _SP doi-org-3035 256 6 19.Peng 19.peng CD doi-org-3035 256 7 RD RD NNP doi-org-3035 256 8 : : : doi-org-3035 256 9 Reproducible Reproducible NNP doi-org-3035 256 10 research research NN doi-org-3035 256 11 and and CC doi-org-3035 256 12 Biostatistics Biostatistics NNP doi-org-3035 256 13 . . . doi-org-3035 257 1 Biostatistics biostatistic NNS doi-org-3035 257 2 . . . doi-org-3035 258 1 2009 2009 CD doi-org-3035 258 2 , , , doi-org-3035 258 3 10 10 CD doi-org-3035 258 4 : : SYM doi-org-3035 258 5 405 405 CD doi-org-3035 258 6 - - CD doi-org-3035 258 7 408 408 CD doi-org-3035 258 8 . . . doi-org-3035 259 1 10.1093 10.1093 CD doi-org-3035 259 2 / / SYM doi-org-3035 259 3 biostatistics biostatistic NNS doi-org-3035 259 4 / / SYM doi-org-3035 259 5 kxp014 kxp014 NNS doi-org-3035 259 6 . . . doi-org-3035 260 1 Article article NN doi-org-3035 260 2     _SP doi-org-3035 260 3 PubMed PubMed NNP doi-org-3035 260 4     _SP doi-org-3035 260 5 Google Google NNP doi-org-3035 260 6 Scholar Scholar NNP doi-org-3035 260 7     _SP doi-org-3035 260 8 20.Ince 20.ince CD doi-org-3035 260 9 DC DC NNP doi-org-3035 260 10 , , , doi-org-3035 260 11 Hatton Hatton NNP doi-org-3035 260 12 L L NNP doi-org-3035 260 13 , , , doi-org-3035 260 14 Graham Graham NNP doi-org-3035 260 15 - - HYPH doi-org-3035 260 16 Cumming Cumming NNP doi-org-3035 260 17 J J NNP doi-org-3035 260 18 : : : doi-org-3035 260 19 The the DT doi-org-3035 260 20 case case NN doi-org-3035 260 21 for for IN doi-org-3035 260 22 open open JJ doi-org-3035 260 23 computer computer NN doi-org-3035 260 24 programs program NNS doi-org-3035 260 25 . . . doi-org-3035 261 1 Nature nature NN doi-org-3035 261 2 . . . doi-org-3035 262 1 2012 2012 CD doi-org-3035 262 2 , , , doi-org-3035 262 3 482 482 CD doi-org-3035 262 4 : : SYM doi-org-3035 262 5 485 485 CD doi-org-3035 262 6 - - HYPH doi-org-3035 262 7 488 488 CD doi-org-3035 262 8 . . . doi-org-3035 263 1 10.1038 10.1038 CD doi-org-3035 263 2 / / SYM doi-org-3035 263 3 nature10836 nature10836 NN doi-org-3035 263 4 . . . doi-org-3035 264 1 CAS CAS NNP doi-org-3035 264 2     _SP doi-org-3035 264 3 Article Article NNP doi-org-3035 264 4     _SP doi-org-3035 264 5 PubMed PubMed NNP doi-org-3035 264 6     _SP doi-org-3035 264 7 Google Google NNP doi-org-3035 264 8 Scholar Scholar NNP doi-org-3035 264 9     _SP doi-org-3035 264 10 21.R 21.r CD doi-org-3035 264 11 Development Development NNP doi-org-3035 264 12 Core Core NNP doi-org-3035 264 13 Team Team NNP doi-org-3035 264 14 : : : doi-org-3035 264 15 R r NN doi-org-3035 264 16 : : : doi-org-3035 264 17 A A NNP doi-org-3035 264 18 Language Language NNP doi-org-3035 264 19 and and CC doi-org-3035 264 20 Environment Environment NNP doi-org-3035 264 21 for for IN doi-org-3035 264 22 Statistical Statistical NNP doi-org-3035 264 23 Computing Computing NNP doi-org-3035 264 24 . . . doi-org-3035 265 1 Book book NN doi-org-3035 265 2 R r NN doi-org-3035 265 3 : : : doi-org-3035 265 4 A A NNP doi-org-3035 265 5 Language Language NNP doi-org-3035 265 6 and and CC doi-org-3035 265 7 Environment Environment NNP doi-org-3035 265 8 for for IN doi-org-3035 265 9 Statistical Statistical NNP doi-org-3035 265 10 Computing Computing NNP doi-org-3035 265 11 . . . doi-org-3035 266 1 2011 2011 CD doi-org-3035 266 2 , , , doi-org-3035 266 3 City city NN doi-org-3035 266 4 : : : doi-org-3035 266 5 R R NNP doi-org-3035 266 6 Foundation Foundation NNP doi-org-3035 266 7 for for IN doi-org-3035 266 8 Statistical Statistical NNP doi-org-3035 266 9 Computing Computing NNP doi-org-3035 266 10 Google Google NNP doi-org-3035 266 11 Scholar Scholar NNP doi-org-3035 266 12     _SP doi-org-3035 266 13 22.Therneau 22.therneau NN doi-org-3035 266 14 T t NN doi-org-3035 266 15 : : : doi-org-3035 266 16 A A NNP doi-org-3035 266 17 Package package NN doi-org-3035 266 18 for for IN doi-org-3035 266 19 Survival Survival NNP doi-org-3035 266 20 Analysis Analysis NNP doi-org-3035 266 21 in in IN doi-org-3035 266 22 S. S. NNP doi-org-3035 266 23 Book Book NNP doi-org-3035 266 24 A A NNP doi-org-3035 266 25 Package package NN doi-org-3035 266 26 for for IN doi-org-3035 266 27 Survival Survival NNP doi-org-3035 266 28 Analysis Analysis NNP doi-org-3035 266 29 in in IN doi-org-3035 266 30 S. S. NNP doi-org-3035 266 31 2012 2012 CD doi-org-3035 266 32 , , , doi-org-3035 266 33 City City NNP doi-org-3035 266 34 , , , doi-org-3035 266 35 2.36 2.36 CD doi-org-3035 266 36 - - SYM doi-org-3035 266 37 12 12 CD doi-org-3035 266 38 Google Google NNP doi-org-3035 266 39 Scholar Scholar NNP doi-org-3035 266 40     _SP doi-org-3035 266 41 23.WebCite 23.webcite CD doi-org-3035 266 42 Technical Technical NNP doi-org-3035 266 43 Background Background NNP doi-org-3035 266 44 and and CC doi-org-3035 266 45 Best good JJS doi-org-3035 266 46 Practices practice NNS doi-org-3035 266 47 Guide Guide NNP doi-org-3035 266 48 . . . doi-org-3035 267 1 [ [ -LRB- doi-org-3035 267 2 http://www.webcitation.org/doc/WebCiteBestPracticesGuide.pdf http://www.webcitation.org/doc/WebCiteBestPracticesGuide.pdf NNP doi-org-3035 267 3 ] ] -RRB- doi-org-3035 267 4 24.Markwell 24.Markwell NNP doi-org-3035 267 5 J J NNP doi-org-3035 267 6 , , , doi-org-3035 267 7 Brooks Brooks NNP doi-org-3035 267 8 DW DW NNP doi-org-3035 267 9 : : : doi-org-3035 267 10 " " `` doi-org-3035 267 11 Link Link NNP doi-org-3035 267 12 rot rot VB doi-org-3035 267 13 " " '' doi-org-3035 267 14 limits limit VBZ doi-org-3035 267 15 the the DT doi-org-3035 267 16 usefulness usefulness NN doi-org-3035 267 17 of of IN doi-org-3035 267 18 web web NN doi-org-3035 267 19 - - HYPH doi-org-3035 267 20 based base VBN doi-org-3035 267 21 educational educational JJ doi-org-3035 267 22 materials material NNS doi-org-3035 267 23 in in IN doi-org-3035 267 24 biochemistry biochemistry NNP doi-org-3035 267 25 and and CC doi-org-3035 267 26 molecular molecular JJ doi-org-3035 267 27 biology biology NN doi-org-3035 267 28 . . . doi-org-3035 268 1 Biochemistry Biochemistry NNP doi-org-3035 268 2 and and CC doi-org-3035 268 3 Molecular Molecular NNP doi-org-3035 268 4 Biology Biology NNP doi-org-3035 268 5 Education Education NNP doi-org-3035 268 6 . . . doi-org-3035 269 1 2003 2003 CD doi-org-3035 269 2 , , , doi-org-3035 269 3 31 31 CD doi-org-3035 269 4 : : SYM doi-org-3035 269 5 69 69 CD doi-org-3035 269 6 - - SYM doi-org-3035 269 7 72 72 CD doi-org-3035 269 8 . . . doi-org-3035 270 1 10.1002 10.1002 CD doi-org-3035 270 2 / / SYM doi-org-3035 270 3 bmb.2003.494031010165 bmb.2003.494031010165 NNP doi-org-3035 270 4 . . . doi-org-3035 271 1 Article Article NNP doi-org-3035 271 2     _SP doi-org-3035 271 3 Google Google NNP doi-org-3035 271 4 Scholar Scholar NNP doi-org-3035 271 5     _SP doi-org-3035 271 6 25.Thorp 25.thorp CD doi-org-3035 271 7 AW AW NNP doi-org-3035 271 8 , , , doi-org-3035 271 9 Brown Brown NNP doi-org-3035 271 10 L L NNP doi-org-3035 271 11 : : : doi-org-3035 271 12 Accessibility accessibility NN doi-org-3035 271 13 of of IN doi-org-3035 271 14 internet internet NN doi-org-3035 271 15 references reference NNS doi-org-3035 271 16 in in IN doi-org-3035 271 17 Annals Annals NNP doi-org-3035 271 18 of of IN doi-org-3035 271 19 Emergency Emergency NNP doi-org-3035 271 20 Medicine Medicine NNP doi-org-3035 271 21 : : : doi-org-3035 271 22 Is be VBZ doi-org-3035 271 23 it -PRON- PRP doi-org-3035 271 24 time time NN doi-org-3035 271 25 to to TO doi-org-3035 271 26 require require VB doi-org-3035 271 27 archiving archive VBG doi-org-3035 271 28 ? ? . doi-org-3035 271 29 . . . doi-org-3035 272 1 Ann Ann NNP doi-org-3035 272 2 Emerg Emerg NNP doi-org-3035 272 3 Med Med NNP doi-org-3035 272 4 . . . doi-org-3035 273 1 2007 2007 CD doi-org-3035 273 2 , , , doi-org-3035 273 3 50 50 CD doi-org-3035 273 4 : : : doi-org-3035 273 5 188 188 CD doi-org-3035 273 6 - - SYM doi-org-3035 273 7 192 192 CD doi-org-3035 273 8 . . . doi-org-3035 274 1 10.1016 10.1016 CD doi-org-3035 274 2 / / SYM doi-org-3035 274 3 j.annemergmed.2006.11.019 j.annemergmed.2006.11.019 CD doi-org-3035 274 4 . . . doi-org-3035 275 1 Article article NN doi-org-3035 275 2     _SP doi-org-3035 275 3 PubMed PubMed NNP doi-org-3035 275 4     _SP doi-org-3035 275 5 Google Google NNP doi-org-3035 275 6 Scholar Scholar NNP doi-org-3035 275 7     _SP doi-org-3035 275 8 26.Carnevale 26.carnevale CD doi-org-3035 275 9 RJ RJ NNP doi-org-3035 275 10 , , , doi-org-3035 275 11 Aronsky Aronsky NNP doi-org-3035 275 12 D D NNP doi-org-3035 275 13 : : : doi-org-3035 275 14 The the DT doi-org-3035 275 15 life life NN doi-org-3035 275 16 and and CC doi-org-3035 275 17 death death NN doi-org-3035 275 18 of of IN doi-org-3035 275 19 URLs URLs NNPS doi-org-3035 275 20 in in IN doi-org-3035 275 21 five five CD doi-org-3035 275 22 biomedical biomedical JJ doi-org-3035 275 23 informatics informatic NNS doi-org-3035 275 24 journals journal NNS doi-org-3035 275 25 . . . doi-org-3035 276 1 International International NNP doi-org-3035 276 2 Journal Journal NNP doi-org-3035 276 3 of of IN doi-org-3035 276 4 Medical Medical NNP doi-org-3035 276 5 Informatics Informatics NNP doi-org-3035 276 6 . . . doi-org-3035 277 1 2007 2007 CD doi-org-3035 277 2 , , , doi-org-3035 277 3 76 76 CD doi-org-3035 277 4 : : : doi-org-3035 277 5 269 269 CD doi-org-3035 277 6 - - SYM doi-org-3035 277 7 273 273 CD doi-org-3035 277 8 . . . doi-org-3035 278 1 10.1016 10.1016 CD doi-org-3035 278 2 / / SYM doi-org-3035 278 3 j.ijmedinf.2005.12.001 j.ijmedinf.2005.12.001 CD doi-org-3035 278 4 . . . doi-org-3035 279 1 Article article NN doi-org-3035 279 2     _SP doi-org-3035 279 3 PubMed PubMed NNP doi-org-3035 279 4     _SP doi-org-3035 279 5 Google Google NNP doi-org-3035 279 6 Scholar Scholar NNP doi-org-3035 279 7     _SP doi-org-3035 279 8 27.Dimitrova 27.Dimitrova NNP doi-org-3035 279 9 DV DV NNP doi-org-3035 279 10 , , , doi-org-3035 279 11 Bugeja Bugeja NNP doi-org-3035 279 12 M M NNP doi-org-3035 279 13 : : : doi-org-3035 279 14 Consider consider VB doi-org-3035 279 15 the the DT doi-org-3035 279 16 source source NN doi-org-3035 279 17 : : : doi-org-3035 279 18 Predictors predictor NNS doi-org-3035 279 19 of of IN doi-org-3035 279 20 online online JJ doi-org-3035 279 21 citation citation NN doi-org-3035 279 22 permanence permanence NN doi-org-3035 279 23 in in IN doi-org-3035 279 24 communication communication NN doi-org-3035 279 25 journals journal NNS doi-org-3035 279 26 . . . doi-org-3035 280 1 Portal Portal NNP doi-org-3035 280 2 - - HYPH doi-org-3035 280 3 Libraries library NNS doi-org-3035 280 4 and and CC doi-org-3035 280 5 the the DT doi-org-3035 280 6 Academy Academy NNP doi-org-3035 280 7 . . . doi-org-3035 281 1 2006 2006 CD doi-org-3035 281 2 , , , doi-org-3035 281 3 6 6 CD doi-org-3035 281 4 : : SYM doi-org-3035 281 5 269 269 CD doi-org-3035 281 6 - - SYM doi-org-3035 281 7 283 283 CD doi-org-3035 281 8 . . . doi-org-3035 282 1 10.1353 10.1353 CD doi-org-3035 282 2 / / SYM doi-org-3035 282 3 pla.2006.0032 pla.2006.0032 NNP doi-org-3035 282 4 . . . doi-org-3035 283 1 Article Article NNP doi-org-3035 283 2     _SP doi-org-3035 283 3 Google Google NNP doi-org-3035 283 4 Scholar Scholar NNP doi-org-3035 283 5     _SP doi-org-3035 283 6 28.Duda 28.duda CD doi-org-3035 283 7 JJ JJ NNP doi-org-3035 283 8 , , , doi-org-3035 283 9 Camp Camp NNP doi-org-3035 283 10 RJ RJ NNP doi-org-3035 283 11 : : : doi-org-3035 283 12 Ecology ecology NN doi-org-3035 283 13 in in IN doi-org-3035 283 14 the the DT doi-org-3035 283 15 information information NN doi-org-3035 283 16 age age NN doi-org-3035 283 17 : : : doi-org-3035 283 18 patterns pattern NNS doi-org-3035 283 19 of of IN doi-org-3035 283 20 use use NN doi-org-3035 283 21 and and CC doi-org-3035 283 22 attrition attrition NN doi-org-3035 283 23 rates rate NNS doi-org-3035 283 24 of of IN doi-org-3035 283 25 internet internet NN doi-org-3035 283 26 - - HYPH doi-org-3035 283 27 based base VBN doi-org-3035 283 28 citations citation NNS doi-org-3035 283 29 in in IN doi-org-3035 283 30 ESA ESA NNP doi-org-3035 283 31 journals journal NNS doi-org-3035 283 32 , , , doi-org-3035 283 33 1997 1997 CD doi-org-3035 283 34 - - SYM doi-org-3035 283 35 2005 2005 CD doi-org-3035 283 36 . . . doi-org-3035 284 1 Frontiers frontier NNS doi-org-3035 284 2 in in IN doi-org-3035 284 3 Ecology Ecology NNP doi-org-3035 284 4 and and CC doi-org-3035 284 5 the the DT doi-org-3035 284 6 Environment Environment NNP doi-org-3035 284 7 . . . doi-org-3035 285 1 2008 2008 CD doi-org-3035 285 2 , , , doi-org-3035 285 3 6 6 CD doi-org-3035 285 4 : : SYM doi-org-3035 285 5 145 145 CD doi-org-3035 285 6 - - SYM doi-org-3035 285 7 151 151 CD doi-org-3035 285 8 . . . doi-org-3035 286 1 10.1890/070022 10.1890/070022 LS doi-org-3035 286 2 . . . doi-org-3035 287 1 Article Article NNP doi-org-3035 287 2     _SP doi-org-3035 287 3 Google Google NNP doi-org-3035 287 4 Scholar Scholar NNP doi-org-3035 287 5     _SP doi-org-3035 287 6 29.Rhodes 29.rhode NNS doi-org-3035 287 7 S s NN doi-org-3035 287 8 : : : doi-org-3035 287 9 Breaking break VBG doi-org-3035 287 10 Down down RP doi-org-3035 287 11 Link Link NNP doi-org-3035 287 12 Rot Rot NNP doi-org-3035 287 13 : : : doi-org-3035 287 14 The the DT doi-org-3035 287 15 Chesapeake Chesapeake NNP doi-org-3035 287 16 Project Project NNP doi-org-3035 287 17 Legal Legal NNP doi-org-3035 287 18 Information Information NNP doi-org-3035 287 19 Archive Archive NNP doi-org-3035 287 20 's 's POS doi-org-3035 287 21 Examination Examination NNP doi-org-3035 287 22 of of IN doi-org-3035 287 23 URL URL NNP doi-org-3035 287 24 Stability Stability NNP doi-org-3035 287 25 . . . doi-org-3035 288 1 Law Law NNP doi-org-3035 288 2 Library Library NNP doi-org-3035 288 3 Journal Journal NNP doi-org-3035 288 4 . . . doi-org-3035 289 1 2010 2010 CD doi-org-3035 289 2 , , , doi-org-3035 289 3 102 102 CD doi-org-3035 289 4 : : SYM doi-org-3035 289 5 581 581 CD doi-org-3035 289 6 - - SYM doi-org-3035 289 7 597 597 CD doi-org-3035 289 8 . . . doi-org-3035 290 1 Google Google NNP doi-org-3035 290 2 Scholar Scholar NNP doi-org-3035 290 3     _SP doi-org-3035 290 4 30.Goh 30.goh CD doi-org-3035 290 5 DHL dhl NN doi-org-3035 290 6 , , , doi-org-3035 290 7 Ng Ng NNP doi-org-3035 290 8 PK PK NNP doi-org-3035 290 9 : : : doi-org-3035 290 10 Link link VB doi-org-3035 290 11 decay decay NN doi-org-3035 290 12 in in IN doi-org-3035 290 13 leading lead VBG doi-org-3035 290 14 information information NN doi-org-3035 290 15 science science NN doi-org-3035 290 16 journals journal NNS doi-org-3035 290 17 . . . doi-org-3035 291 1 Journal Journal NNP doi-org-3035 291 2 of of IN doi-org-3035 291 3 the the DT doi-org-3035 291 4 American American NNP doi-org-3035 291 5 Society Society NNP doi-org-3035 291 6 for for IN doi-org-3035 291 7 Information Information NNP doi-org-3035 291 8 Science Science NNP doi-org-3035 291 9 and and CC doi-org-3035 291 10 Technology Technology NNP doi-org-3035 291 11 . . . doi-org-3035 292 1 2007 2007 CD doi-org-3035 292 2 , , , doi-org-3035 292 3 58 58 CD doi-org-3035 292 4 : : SYM doi-org-3035 292 5 15 15 CD doi-org-3035 292 6 - - SYM doi-org-3035 292 7 24 24 CD doi-org-3035 292 8 . . . doi-org-3035 293 1 10.1002 10.1002 CD doi-org-3035 293 2 / / SYM doi-org-3035 293 3 asi.20513 asi.20513 NN doi-org-3035 293 4 . . . doi-org-3035 294 1 Article Article NNP doi-org-3035 294 2     _SP doi-org-3035 294 3 Google Google NNP doi-org-3035 294 4 Scholar Scholar NNP doi-org-3035 294 5     _SP doi-org-3035 294 6 31.Russell 31.Russell NNP doi-org-3035 294 7 E E NNP doi-org-3035 294 8 , , , doi-org-3035 294 9 Kane Kane NNP doi-org-3035 294 10 J J NNP doi-org-3035 294 11 : : : doi-org-3035 294 12 The the DT doi-org-3035 294 13 missing miss VBG doi-org-3035 294 14 link link NN doi-org-3035 294 15 - - : doi-org-3035 294 16 Assessing assess VBG doi-org-3035 294 17 the the DT doi-org-3035 294 18 reliability reliability NN doi-org-3035 294 19 of of IN doi-org-3035 294 20 Internet internet NN doi-org-3035 294 21 citations citation NNS doi-org-3035 294 22 in in IN doi-org-3035 294 23 history history NN doi-org-3035 294 24 journals journal NNS doi-org-3035 294 25 . . . doi-org-3035 295 1 Technology technology NN doi-org-3035 295 2 and and CC doi-org-3035 295 3 Culture Culture NNP doi-org-3035 295 4 . . . doi-org-3035 296 1 2008 2008 CD doi-org-3035 296 2 , , , doi-org-3035 296 3 49 49 CD doi-org-3035 296 4 : : : doi-org-3035 296 5 420 420 CD doi-org-3035 296 6 - - SYM doi-org-3035 296 7 429 429 CD doi-org-3035 296 8 . . . doi-org-3035 297 1 10.1353 10.1353 CD doi-org-3035 297 2 / / SYM doi-org-3035 297 3 tech.0.0028 tech.0.0028 NNP doi-org-3035 297 4 . . . doi-org-3035 298 1 Article Article NNP doi-org-3035 298 2     _SP doi-org-3035 298 3 Google Google NNP doi-org-3035 298 4 Scholar Scholar NNP doi-org-3035 298 5     _SP doi-org-3035 298 6 32.Dellavalle 32.dellavalle CD doi-org-3035 298 7 RP RP NNP doi-org-3035 298 8 , , , doi-org-3035 298 9 Hester Hester NNP doi-org-3035 298 10 EJ EJ NNP doi-org-3035 298 11 , , , doi-org-3035 298 12 Heilig Heilig NNP doi-org-3035 298 13 LF LF NNP doi-org-3035 298 14 , , , doi-org-3035 298 15 Drake Drake NNP doi-org-3035 298 16 AL AL NNP doi-org-3035 298 17 , , , doi-org-3035 298 18 Kuntzman Kuntzman NNP doi-org-3035 298 19 JW JW NNP doi-org-3035 298 20 , , , doi-org-3035 298 21 Graber Graber NNP doi-org-3035 298 22 M M NNP doi-org-3035 298 23 , , , doi-org-3035 298 24 Schilling Schilling NNP doi-org-3035 298 25 LM LM NNP doi-org-3035 298 26 : : : doi-org-3035 298 27 Information information NN doi-org-3035 298 28 science science NN doi-org-3035 298 29 - - HYPH doi-org-3035 298 30 Going go VBG doi-org-3035 298 31 , , , doi-org-3035 298 32 going go VBG doi-org-3035 298 33 , , , doi-org-3035 298 34 gone go VBN doi-org-3035 298 35 : : : doi-org-3035 298 36 Lost lose VBN doi-org-3035 298 37 Internet internet NN doi-org-3035 298 38 references reference NNS doi-org-3035 298 39 . . . doi-org-3035 299 1 Science science NN doi-org-3035 299 2 . . . doi-org-3035 300 1 2003 2003 CD doi-org-3035 300 2 , , , doi-org-3035 300 3 302 302 CD doi-org-3035 300 4 : : : doi-org-3035 300 5 787 787 CD doi-org-3035 300 6 - - HYPH doi-org-3035 300 7 788 788 CD doi-org-3035 300 8 . . . doi-org-3035 301 1 10.1126 10.1126 CD doi-org-3035 301 2 / / SYM doi-org-3035 301 3 science.1088234 science.1088234 NNP doi-org-3035 301 4 . . . doi-org-3035 302 1 CAS CAS NNP doi-org-3035 302 2     _SP doi-org-3035 302 3 Article Article NNP doi-org-3035 302 4     _SP doi-org-3035 302 5 PubMed PubMed NNP doi-org-3035 302 6     _SP doi-org-3035 302 7 Google Google NNP doi-org-3035 302 8 Scholar Scholar NNP doi-org-3035 302 9     _SP doi-org-3035 302 10 33.Evangelou 33.evangelou CD doi-org-3035 302 11 E e NN doi-org-3035 302 12 , , , doi-org-3035 302 13 Trikalinos Trikalinos NNP doi-org-3035 302 14 TA TA NNP doi-org-3035 302 15 , , , doi-org-3035 302 16 Ioannidis Ioannidis NNP doi-org-3035 302 17 JPA JPA NNP doi-org-3035 302 18 : : : doi-org-3035 302 19 Unavailability unavailability NN doi-org-3035 302 20 of of IN doi-org-3035 302 21 online online JJ doi-org-3035 302 22 supplementary supplementary JJ doi-org-3035 302 23 scientific scientific JJ doi-org-3035 302 24 information information NN doi-org-3035 302 25 from from IN doi-org-3035 302 26 articles article NNS doi-org-3035 302 27 published publish VBN doi-org-3035 302 28 in in IN doi-org-3035 302 29 major major JJ doi-org-3035 302 30 journals journal NNS doi-org-3035 302 31 . . . doi-org-3035 303 1 Faseb Faseb NNP doi-org-3035 303 2 Journal Journal NNP doi-org-3035 303 3 . . . doi-org-3035 304 1 2005 2005 CD doi-org-3035 304 2 , , , doi-org-3035 304 3 19 19 CD doi-org-3035 304 4 : : SYM doi-org-3035 304 5 1943 1943 CD doi-org-3035 304 6 - - SYM doi-org-3035 304 7 1944 1944 CD doi-org-3035 304 8 . . . doi-org-3035 305 1 10.1096 10.1096 CD doi-org-3035 305 2 / / SYM doi-org-3035 305 3 fj.05 fj.05 NNPS doi-org-3035 305 4 - - HYPH doi-org-3035 305 5 4784lsf 4784lsf CD doi-org-3035 305 6 . . . doi-org-3035 306 1 CAS CAS NNP doi-org-3035 306 2     _SP doi-org-3035 306 3 Article Article NNP doi-org-3035 306 4     _SP doi-org-3035 306 5 PubMed PubMed NNP doi-org-3035 306 6     _SP doi-org-3035 306 7 Google Google NNP doi-org-3035 306 8 Scholar Scholar NNP doi-org-3035 306 9     _SP doi-org-3035 306 10 34.Sellitto 34.sellitto NN doi-org-3035 306 11 C C NNP doi-org-3035 306 12 : : : doi-org-3035 306 13 The the DT doi-org-3035 306 14 impact impact NN doi-org-3035 306 15 of of IN doi-org-3035 306 16 impermanent impermanent NN doi-org-3035 306 17 web web NN doi-org-3035 306 18 - - HYPH doi-org-3035 306 19 located locate VBN doi-org-3035 306 20 citations citation NNS doi-org-3035 306 21 : : : doi-org-3035 306 22 A a DT doi-org-3035 306 23 study study NN doi-org-3035 306 24 of of IN doi-org-3035 306 25 123 123 CD doi-org-3035 306 26 scholarly scholarly JJ doi-org-3035 306 27 conference conference NN doi-org-3035 306 28 publications publication NNS doi-org-3035 306 29 . . . doi-org-3035 307 1 Journal Journal NNP doi-org-3035 307 2 of of IN doi-org-3035 307 3 the the DT doi-org-3035 307 4 American American NNP doi-org-3035 307 5 Society Society NNP doi-org-3035 307 6 for for IN doi-org-3035 307 7 Information Information NNP doi-org-3035 307 8 Science Science NNP doi-org-3035 307 9 and and CC doi-org-3035 307 10 Technology Technology NNP doi-org-3035 307 11 . . . doi-org-3035 308 1 2005 2005 CD doi-org-3035 308 2 , , , doi-org-3035 308 3 56 56 CD doi-org-3035 308 4 : : SYM doi-org-3035 308 5 695 695 CD doi-org-3035 308 6 - - SYM doi-org-3035 308 7 703 703 CD doi-org-3035 308 8 . . . doi-org-3035 309 1 10.1002 10.1002 CD doi-org-3035 309 2 / / SYM doi-org-3035 309 3 asi.20159 asi.20159 NN doi-org-3035 309 4 . . . doi-org-3035 310 1 Article Article NNP doi-org-3035 310 2     _SP doi-org-3035 310 3 Google Google NNP doi-org-3035 310 4 Scholar Scholar NNP doi-org-3035 310 5     _SP doi-org-3035 310 6 35.Bar 35.Bar NNP doi-org-3035 310 7 - - HYPH doi-org-3035 310 8 Ilan Ilan NNP doi-org-3035 310 9 J J NNP doi-org-3035 310 10 , , , doi-org-3035 310 11 Peritz Peritz NNP doi-org-3035 310 12 B B NNP doi-org-3035 310 13 : : : doi-org-3035 310 14 The the DT doi-org-3035 310 15 lifespan lifespan NN doi-org-3035 310 16 of of IN doi-org-3035 310 17 " " `` doi-org-3035 310 18 informetrics informetric NNS doi-org-3035 310 19 " " '' doi-org-3035 310 20 on on IN doi-org-3035 310 21 the the DT doi-org-3035 310 22 Web web NN doi-org-3035 310 23 : : : doi-org-3035 310 24 An an DT doi-org-3035 310 25 eight eight CD doi-org-3035 310 26 year year NN doi-org-3035 310 27 study study NN doi-org-3035 310 28 ( ( -LRB- doi-org-3035 310 29 1998 1998 CD doi-org-3035 310 30 - - SYM doi-org-3035 310 31 2006 2006 CD doi-org-3035 310 32 ) ) -RRB- doi-org-3035 310 33 . . . doi-org-3035 311 1 Scientometrics scientometric NNS doi-org-3035 311 2 . . . doi-org-3035 312 1 2009 2009 CD doi-org-3035 312 2 , , , doi-org-3035 312 3 79 79 CD doi-org-3035 312 4 : : SYM doi-org-3035 312 5 7 7 CD doi-org-3035 312 6 - - SYM doi-org-3035 312 7 25 25 CD doi-org-3035 312 8 . . . doi-org-3035 313 1 10.1007 10.1007 CD doi-org-3035 313 2 / / SYM doi-org-3035 313 3 s11192 s11192 CD doi-org-3035 313 4 - - HYPH doi-org-3035 313 5 009 009 CD doi-org-3035 313 6 - - HYPH doi-org-3035 313 7 0401 0401 CD doi-org-3035 313 8 - - HYPH doi-org-3035 313 9 7 7 CD doi-org-3035 313 10 . . . doi-org-3035 314 1 Article Article NNP doi-org-3035 314 2     _SP doi-org-3035 314 3 Google Google NNP doi-org-3035 314 4 Scholar Scholar NNP doi-org-3035 314 5     _SP doi-org-3035 314 6 36.Gomes 36.gome VBZ doi-org-3035 314 7 D d NN doi-org-3035 314 8 , , , doi-org-3035 314 9 Silva Silva NNP doi-org-3035 314 10 MJ MJ NNP doi-org-3035 314 11 : : : doi-org-3035 314 12 Modelling model VBG doi-org-3035 314 13 Information information NN doi-org-3035 314 14 Persistence Persistence NNP doi-org-3035 314 15 on on IN doi-org-3035 314 16 the the DT doi-org-3035 314 17 Web web NN doi-org-3035 314 18 . . . doi-org-3035 315 1 Book Book NNP doi-org-3035 315 2 Modelling Modelling NNP doi-org-3035 315 3 Information information NN doi-org-3035 315 4 Persistence Persistence NNP doi-org-3035 315 5 on on IN doi-org-3035 315 6 the the DT doi-org-3035 315 7 Web web NN doi-org-3035 315 8 . . . doi-org-3035 316 1 2006 2006 CD doi-org-3035 316 2 , , , doi-org-3035 316 3 City City NNP doi-org-3035 316 4 Google Google NNP doi-org-3035 316 5 Scholar Scholar NNP doi-org-3035 316 6     _SP doi-org-3035 316 7 37.Markwell 37.markwell NN doi-org-3035 316 8 J J NNP doi-org-3035 316 9 , , , doi-org-3035 316 10 Brooks Brooks NNP doi-org-3035 316 11 DW DW NNP doi-org-3035 316 12 : : : doi-org-3035 316 13 Evaluating evaluate VBG doi-org-3035 316 14 web web NN doi-org-3035 316 15 - - HYPH doi-org-3035 316 16 based base VBN doi-org-3035 316 17 information information NN doi-org-3035 316 18 : : : doi-org-3035 316 19 Access access NN doi-org-3035 316 20 and and CC doi-org-3035 316 21 accuracy accuracy NN doi-org-3035 316 22 . . . doi-org-3035 317 1 Journal Journal NNP doi-org-3035 317 2 of of IN doi-org-3035 317 3 Chemical Chemical NNP doi-org-3035 317 4 Education Education NNP doi-org-3035 317 5 . . . doi-org-3035 318 1 2008 2008 CD doi-org-3035 318 2 , , , doi-org-3035 318 3 85 85 CD doi-org-3035 318 4 : : SYM doi-org-3035 318 5 458 458 CD doi-org-3035 318 6 - - SYM doi-org-3035 318 7 459 459 CD doi-org-3035 318 8 . . . doi-org-3035 319 1 10.1021 10.1021 CD doi-org-3035 319 2 / / SYM doi-org-3035 319 3 ed085p458 ed085p458 XX doi-org-3035 319 4 . . . doi-org-3035 320 1 CAS CAS NNP doi-org-3035 320 2     _SP doi-org-3035 320 3 Article Article NNP doi-org-3035 320 4     _SP doi-org-3035 320 5 Google Google NNP doi-org-3035 320 6 Scholar Scholar NNP doi-org-3035 320 7     _SP doi-org-3035 320 8 38.Wu 38.Wu NNP doi-org-3035 320 9 ZQ ZQ NNP doi-org-3035 320 10 : : : doi-org-3035 320 11 An an DT doi-org-3035 320 12 empirical empirical JJ doi-org-3035 320 13 study study NN doi-org-3035 320 14 of of IN doi-org-3035 320 15 the the DT doi-org-3035 320 16 accessibility accessibility NN doi-org-3035 320 17 of of IN doi-org-3035 320 18 web web NN doi-org-3035 320 19 references reference NNS doi-org-3035 320 20 in in IN doi-org-3035 320 21 two two CD doi-org-3035 320 22 Chinese chinese JJ doi-org-3035 320 23 academic academic JJ doi-org-3035 320 24 journals journal NNS doi-org-3035 320 25 . . . doi-org-3035 321 1 Scientometrics scientometric NNS doi-org-3035 321 2 . . . doi-org-3035 322 1 2009 2009 CD doi-org-3035 322 2 , , , doi-org-3035 322 3 78 78 CD doi-org-3035 322 4 : : : doi-org-3035 322 5 481 481 CD doi-org-3035 322 6 - - SYM doi-org-3035 322 7 503 503 CD doi-org-3035 322 8 . . . doi-org-3035 323 1 10.1007 10.1007 CD doi-org-3035 323 2 / / SYM doi-org-3035 323 3 s11192 s11192 CD doi-org-3035 323 4 - - HYPH doi-org-3035 323 5 007 007 CD doi-org-3035 323 6 - - HYPH doi-org-3035 323 7 1951 1951 CD doi-org-3035 323 8 - - HYPH doi-org-3035 323 9 1 1 CD doi-org-3035 323 10 . . . doi-org-3035 324 1 Article Article NNP doi-org-3035 324 2     _SP doi-org-3035 324 3 Google Google NNP doi-org-3035 324 4 Scholar Scholar NNP doi-org-3035 324 5     _SP doi-org-3035 324 6 Download Download NNP doi-org-3035 324 7 references reference NNS doi-org-3035 324 8 Acknowledgements acknowledgement NNS doi-org-3035 324 9 The the DT doi-org-3035 324 10 authors author NNS doi-org-3035 324 11 would would MD doi-org-3035 324 12 like like VB doi-org-3035 324 13 to to TO doi-org-3035 324 14 thank thank VB doi-org-3035 324 15 the the DT doi-org-3035 324 16 South South NNP doi-org-3035 324 17 Dakota Dakota NNP doi-org-3035 324 18 State State NNP doi-org-3035 324 19 University University NNP doi-org-3035 324 20 departments department NNS doi-org-3035 324 21 of of IN doi-org-3035 324 22 Mathematics Mathematics NNP doi-org-3035 324 23 & & CC doi-org-3035 324 24 Statistics Statistics NNPS doi-org-3035 324 25 and and CC doi-org-3035 324 26 Biology Biology NNP doi-org-3035 324 27 & & CC doi-org-3035 324 28 Microbiology Microbiology NNP doi-org-3035 324 29 for for IN doi-org-3035 324 30 their -PRON- PRP$ doi-org-3035 324 31 valuable valuable JJ doi-org-3035 324 32 feedback feedback NN doi-org-3035 324 33 . . . doi-org-3035 325 1 Declarations 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Volume Volume NNP doi-org-3035 326 12 14 14 CD doi-org-3035 326 13 Supplement supplement NN doi-org-3035 326 14 14 14 CD doi-org-3035 326 15 , , , doi-org-3035 326 16 2013 2013 CD doi-org-3035 326 17 : : : doi-org-3035 326 18 Proceedings proceeding NNS doi-org-3035 326 19 of of IN doi-org-3035 326 20 the the DT doi-org-3035 326 21 Tenth Tenth NNP doi-org-3035 326 22 Annual Annual NNP doi-org-3035 326 23 MCBIOS MCBIOS NNP doi-org-3035 326 24 Conference Conference NNP doi-org-3035 326 25 . . . doi-org-3035 327 1 Discovery Discovery NNP doi-org-3035 327 2 in in IN doi-org-3035 327 3 a a DT doi-org-3035 327 4 sea sea NN doi-org-3035 327 5 of of IN doi-org-3035 327 6 data datum NNS doi-org-3035 327 7 . . . doi-org-3035 328 1 The the DT doi-org-3035 328 2 full full JJ doi-org-3035 328 3 contents content NNS doi-org-3035 328 4 of of IN doi-org-3035 328 5 the the DT doi-org-3035 328 6 supplement supplement NN doi-org-3035 328 7 are be VBP doi-org-3035 328 8 available available JJ doi-org-3035 328 9 online online RB doi-org-3035 328 10 at at IN doi-org-3035 328 11 http://www.biomedcentral.com/bmcbioinformatics/supplements/14/S14 http://www.biomedcentral.com/bmcbioinformatics/supplements/14/S14 NNP doi-org-3035 328 12 . . . doi-org-3035 329 1 Author author NN doi-org-3035 329 2 information information NN doi-org-3035 329 3 Affiliations Affiliations NNP doi-org-3035 329 4 Department Department NNP doi-org-3035 329 5 of of IN doi-org-3035 329 6 Mathematics Mathematics NNP doi-org-3035 329 7 and and CC doi-org-3035 329 8 Statistics Statistics NNPS doi-org-3035 329 9 , , , doi-org-3035 329 10 South South NNP doi-org-3035 329 11 Dakota Dakota NNP doi-org-3035 329 12 State State NNP doi-org-3035 329 13 University University NNP doi-org-3035 329 14 , , , doi-org-3035 329 15 Box Box NNP doi-org-3035 329 16 2220 2220 CD doi-org-3035 329 17 , , , doi-org-3035 329 18 Brookings Brookings NNP doi-org-3035 329 19 , , , doi-org-3035 329 20 SD SD NNP doi-org-3035 329 21 , , , doi-org-3035 329 22 57007 57007 CD doi-org-3035 329 23 , , , doi-org-3035 329 24 USA USA NNP doi-org-3035 329 25 Jason Jason NNP doi-org-3035 329 26 Hennessey Hennessey NNP doi-org-3035 329 27   _SP doi-org-3035 329 28 & & CC doi-org-3035 329 29   _SP doi-org-3035 329 30 Steven Steven NNP doi-org-3035 329 31 Xijin Xijin NNP doi-org-3035 329 32 Ge Ge NNP doi-org-3035 329 33 Authors Authors NNP doi-org-3035 329 34 Jason Jason NNP doi-org-3035 329 35 HennesseyView HennesseyView NNP doi-org-3035 329 36 author author NN doi-org-3035 329 37 publications publication NNS doi-org-3035 329 38 You -PRON- PRP doi-org-3035 329 39 can can MD doi-org-3035 329 40 also also RB doi-org-3035 329 41 search search VB doi-org-3035 329 42 for for IN doi-org-3035 329 43 this this DT doi-org-3035 329 44 author author NN doi-org-3035 329 45 in in IN doi-org-3035 329 46 PubMed PubMed NNP doi-org-3035 329 47   _SP doi-org-3035 329 48 Google Google NNP doi-org-3035 329 49 Scholar Scholar NNP doi-org-3035 329 50 Steven Steven NNP doi-org-3035 329 51 Xijin Xijin NNP doi-org-3035 329 52 GeView GeView NNP doi-org-3035 329 53 author author NN doi-org-3035 329 54 publications publication NNS doi-org-3035 329 55 You -PRON- PRP doi-org-3035 329 56 can can MD doi-org-3035 329 57 also also RB doi-org-3035 329 58 search search VB doi-org-3035 329 59 for for IN doi-org-3035 329 60 this this DT doi-org-3035 329 61 author author NN doi-org-3035 329 62 in in IN doi-org-3035 329 63 PubMed PubMed NNP doi-org-3035 329 64   _SP doi-org-3035 329 65 Google Google NNP doi-org-3035 329 66 Scholar Scholar NNP doi-org-3035 329 67 Corresponding Corresponding NNP doi-org-3035 329 68 author author NN doi-org-3035 329 69 Correspondence Correspondence NNP doi-org-3035 329 70 to to IN doi-org-3035 329 71 Steven Steven NNP doi-org-3035 329 72 Xijin Xijin NNP doi-org-3035 329 73 Ge Ge NNP doi-org-3035 329 74 . . . doi-org-3035 330 1 Additional additional JJ doi-org-3035 330 2 information information NN doi-org-3035 330 3 Competing compete 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doi-org-3035 332 20 of of IN doi-org-3035 332 21 this this DT doi-org-3035 332 22 manuscript manuscript NN doi-org-3035 332 23 . . . doi-org-3035 333 1 Electronic electronic JJ doi-org-3035 333 2 supplementary supplementary JJ doi-org-3035 333 3 material material NN doi-org-3035 333 4 Additional additional JJ doi-org-3035 333 5 file file NN doi-org-3035 333 6 1 1 CD doi-org-3035 333 7 : : : doi-org-3035 333 8 supplement.zip supplement.zip ADD doi-org-3035 333 9 . . . doi-org-3035 334 1 Contains contain VBZ doi-org-3035 334 2 source source NN doi-org-3035 334 3 code code NN doi-org-3035 334 4 used use VBN doi-org-3035 334 5 to to TO doi-org-3035 334 6 perform perform VB doi-org-3035 334 7 the the DT doi-org-3035 334 8 study study NN doi-org-3035 334 9 , , , doi-org-3035 334 10 written write VBN doi-org-3035 334 11 in in IN doi-org-3035 334 12 python python NNP doi-org-3035 334 13 and and CC doi-org-3035 334 14 R. R. NNP doi-org-3035 334 15 README.txt README.txt : doi-org-3035 334 16 contains contain VBZ doi-org-3035 334 17 descriptions description NNS doi-org-3035 334 18 for for IN doi-org-3035 334 19 each each DT doi-org-3035 334 20 file file NN doi-org-3035 334 21 . . . doi-org-3035 335 1 ( ( -LRB- doi-org-3035 335 2 ZIP zip NN doi-org-3035 335 3 40 40 CD doi-org-3035 335 4 KB KB NNP doi-org-3035 335 5 ) ) -RRB- doi-org-3035 335 6 Rights right NNS doi-org-3035 335 7 and and CC doi-org-3035 335 8 permissions permission NNS doi-org-3035 335 9 This this DT doi-org-3035 335 10 article article NN doi-org-3035 335 11 is be VBZ doi-org-3035 335 12 published publish VBN doi-org-3035 335 13 under under IN doi-org-3035 335 14 license license NN doi-org-3035 335 15 to to IN doi-org-3035 335 16 BioMed BioMed NNP doi-org-3035 335 17 Central Central NNP doi-org-3035 335 18 Ltd. Ltd. NNP doi-org-3035 336 1 This this DT doi-org-3035 336 2 is be VBZ doi-org-3035 336 3 an an DT doi-org-3035 336 4 open open JJ doi-org-3035 336 5 access access NN doi-org-3035 336 6 article article NN doi-org-3035 336 7 distributed distribute VBN doi-org-3035 336 8 under under IN doi-org-3035 336 9 the the DT doi-org-3035 336 10 terms term NNS doi-org-3035 336 11 of of IN doi-org-3035 336 12 the the DT doi-org-3035 336 13 Creative Creative NNP doi-org-3035 336 14 Commons Commons NNP doi-org-3035 336 15 Attribution Attribution NNP doi-org-3035 336 16 License License NNP doi-org-3035 336 17 ( ( -LRB- doi-org-3035 336 18 http://creativecommons.org/licenses/by/2.0 http://creativecommons.org/licenses/by/2.0 PRP$ doi-org-3035 336 19 ) ) -RRB- doi-org-3035 336 20 , , , doi-org-3035 336 21 which which WDT doi-org-3035 336 22 permits permit VBZ doi-org-3035 336 23 unrestricted unrestricted JJ doi-org-3035 336 24 use use NN doi-org-3035 336 25 , , , doi-org-3035 336 26 distribution distribution NN doi-org-3035 336 27 , , , doi-org-3035 336 28 and and CC doi-org-3035 336 29 reproduction reproduction NN doi-org-3035 336 30 in in IN doi-org-3035 336 31 any any DT doi-org-3035 336 32 medium medium NN doi-org-3035 336 33 , , , doi-org-3035 336 34 provided provide VBD doi-org-3035 336 35 the the DT doi-org-3035 336 36 original original JJ doi-org-3035 336 37 work work NN doi-org-3035 336 38 is be VBZ doi-org-3035 336 39 properly properly RB doi-org-3035 336 40 cited cite VBN doi-org-3035 336 41 . . . doi-org-3035 337 1 Reprints reprint NNS doi-org-3035 337 2 and and CC doi-org-3035 337 3 Permissions permission NNS doi-org-3035 337 4 About about IN doi-org-3035 337 5 this this DT doi-org-3035 337 6 article article NN doi-org-3035 337 7 Cite cite VB doi-org-3035 337 8 this this DT doi-org-3035 337 9 article article NN doi-org-3035 337 10 Hennessey Hennessey NNP doi-org-3035 337 11 , , , doi-org-3035 337 12 J. 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NNP doi-org-3035 338 1 A a DT doi-org-3035 338 2 cross cross JJ doi-org-3035 338 3 disciplinary disciplinary JJ doi-org-3035 338 4 study study NN doi-org-3035 338 5 of of IN doi-org-3035 338 6 link link NN doi-org-3035 338 7 decay decay NN doi-org-3035 338 8 and and CC doi-org-3035 338 9 the the DT doi-org-3035 338 10 effectiveness effectiveness NN doi-org-3035 338 11 of of IN doi-org-3035 338 12 mitigation mitigation NN doi-org-3035 338 13 techniques technique NNS doi-org-3035 338 14 . . . doi-org-3035 339 1 BMC BMC NNP doi-org-3035 339 2 Bioinformatics Bioinformatics NNP doi-org-3035 339 3 14 14 CD doi-org-3035 339 4 , , , doi-org-3035 339 5 S5 s5 NN doi-org-3035 339 6 ( ( -LRB- doi-org-3035 339 7 2013 2013 CD doi-org-3035 339 8 ) ) -RRB- doi-org-3035 339 9 . . . doi-org-3035 340 1 https://doi.org/10.1186/1471-2105-14-S14-S5 https://doi.org/10.1186/1471-2105-14-S14-S5 NNP doi-org-3035 340 2 Download Download NNP doi-org-3035 340 3 citation citation NN doi-org-3035 340 4 Published publish VBN doi-org-3035 340 5 : : : doi-org-3035 340 6 09 09 CD doi-org-3035 340 7 October October NNP doi-org-3035 340 8 2013 2013 CD doi-org-3035 340 9 DOI DOI NNP doi-org-3035 340 10 : : : doi-org-3035 340 11 https://doi.org/10.1186/1471-2105-14-S14-S5 https://doi.org/10.1186/1471-2105-14-s14-s5 NN doi-org-3035 340 12 Keywords Keywords NNP doi-org-3035 340 13 Optical Optical NNP doi-org-3035 340 14 Character Character NNP doi-org-3035 340 15 Recognition Recognition NNP doi-org-3035 340 16 Universal Universal NNP doi-org-3035 340 17 Resource Resource NNP doi-org-3035 340 18 Locator Locator NNP doi-org-3035 340 19 Internet Internet NNP doi-org-3035 340 20 Archive Archive NNP doi-org-3035 340 21 Naming Naming NNP doi-org-3035 340 22 Authority Authority NNP doi-org-3035 340 23 Survival Survival NNP doi-org-3035 340 24 Regression Regression NNP doi-org-3035 340 25 Model Model NNP doi-org-3035 340 26 Download Download NNP doi-org-3035 340 27 PDF PDF NNP doi-org-3035 340 28 Advertisement Advertisement NNP doi-org-3035 340 29 BMC BMC NNP doi-org-3035 340 30 Bioinformatics Bioinformatics NNP doi-org-3035 340 31 ISSN ISSN NNP doi-org-3035 340 32 : : : doi-org-3035 340 33 1471 1471 CD doi-org-3035 340 34 - - SYM doi-org-3035 340 35 2105 2105 CD doi-org-3035 340 36 Contact contact NN doi-org-3035 340 37 us -PRON- PRP doi-org-3035 340 38 Submission Submission NNP doi-org-3035 340 39 enquiries enquiry NNS doi-org-3035 340 40 : : : doi-org-3035 340 41 Access access NN doi-org-3035 340 42 here here RB doi-org-3035 340 43 and and CC doi-org-3035 340 44 click click VB doi-org-3035 340 45 Contact contact NN doi-org-3035 340 46 Us Us NNP doi-org-3035 340 47 General General NNP doi-org-3035 340 48 enquiries enquiry NNS doi-org-3035 340 49 : : : doi-org-3035 340 50 ORSupport@springernature.com orsupport@springernature.com ADD doi-org-3035 340 51 Read read VB doi-org-3035 340 52 more more RBR doi-org-3035 340 53 on on IN doi-org-3035 340 54 our -PRON- PRP$ doi-org-3035 340 55 blogs blog NNS doi-org-3035 340 56 Receive receive VBP doi-org-3035 340 57 BMC bmc NN doi-org-3035 340 58 newsletters newsletter NNS doi-org-3035 340 59 Manage manage VBP doi-org-3035 340 60 article article NN doi-org-3035 340 61 alerts alert NNS doi-org-3035 340 62 Language Language NNP doi-org-3035 340 63 editing edit VBG doi-org-3035 340 64 for for IN doi-org-3035 340 65 authors author NNS doi-org-3035 340 66 Scientific scientific JJ doi-org-3035 340 67 editing editing NN doi-org-3035 340 68 for for IN doi-org-3035 340 69 authors author NNS doi-org-3035 340 70 Policies Policies NNP doi-org-3035 340 71 Accessibility Accessibility NNP doi-org-3035 340 72 Press Press NNP doi-org-3035 340 73 center center NN doi-org-3035 340 74 Support Support NNP doi-org-3035 340 75 and and CC doi-org-3035 340 76 Contact Contact NNP doi-org-3035 340 77 Leave Leave NNP doi-org-3035 340 78 feedback feedback NN doi-org-3035 340 79 Careers Careers NNPS doi-org-3035 340 80 Follow Follow NNP doi-org-3035 340 81 BMC BMC NNP doi-org-3035 340 82 BMC BMC NNP doi-org-3035 340 83 Twitter Twitter NNP doi-org-3035 340 84 page page NN doi-org-3035 340 85 BMC BMC NNP doi-org-3035 340 86 Facebook Facebook NNP doi-org-3035 340 87 page page NN doi-org-3035 340 88 BMC BMC NNP doi-org-3035 340 89 Weibo Weibo NNP doi-org-3035 340 90 page page NN doi-org-3035 340 91 By by IN doi-org-3035 340 92 using use VBG doi-org-3035 340 93 this this DT doi-org-3035 340 94 website website NN doi-org-3035 340 95 , , , doi-org-3035 340 96 you -PRON- PRP doi-org-3035 340 97 agree agree VBP doi-org-3035 340 98 to to IN doi-org-3035 340 99 our -PRON- PRP$ doi-org-3035 340 100 Terms Terms NNPS doi-org-3035 340 101 and and CC doi-org-3035 340 102 Conditions Conditions NNPS doi-org-3035 340 103 , , , doi-org-3035 340 104 California California NNP doi-org-3035 340 105 Privacy Privacy NNP doi-org-3035 340 106 Statement Statement NNP doi-org-3035 340 107 , , , doi-org-3035 340 108 Privacy Privacy NNP doi-org-3035 340 109 statement statement NN doi-org-3035 340 110 and and CC doi-org-3035 340 111 Cookies Cookies NNPS doi-org-3035 340 112 policy policy NN doi-org-3035 340 113 . . . doi-org-3035 341 1 Manage manage VB doi-org-3035 341 2 cookies cookie NNS doi-org-3035 341 3 / / SYM doi-org-3035 341 4 Do do VBP doi-org-3035 341 5 not not RB doi-org-3035 341 6 sell sell VB doi-org-3035 341 7 my -PRON- PRP$ doi-org-3035 341 8 data datum NNS doi-org-3035 341 9 we -PRON- PRP doi-org-3035 341 10 use use VBP doi-org-3035 341 11 in in IN doi-org-3035 341 12 the the DT doi-org-3035 341 13 preference preference NN doi-org-3035 341 14 centre centre NN doi-org-3035 341 15 . . . doi-org-3035 342 1 © © LS doi-org-3035 342 2 2021 2021 CD doi-org-3035 342 3 BioMed BioMed NNP doi-org-3035 342 4 Central Central NNP doi-org-3035 342 5 Ltd Ltd NNP doi-org-3035 342 6 unless unless IN doi-org-3035 342 7 otherwise otherwise RB doi-org-3035 342 8 stated state VBN doi-org-3035 342 9 . . . doi-org-3035 343 1 Part part NN doi-org-3035 343 2 of of IN doi-org-3035 343 3 Springer Springer NNP doi-org-3035 343 4 Nature Nature NNP doi-org-3035 343 5 . . . doi-org-3035 344 1 \ \ LS