id sid tid token lemma pos rv042r39991 1 1 data datum NOUN rv042r39991 1 2 science science NOUN rv042r39991 1 3 is be AUX rv042r39991 1 4 a a DET rv042r39991 1 5 broad broad ADJ rv042r39991 1 6 , , PUNCT rv042r39991 1 7 interdisciplinary interdisciplinary ADJ rv042r39991 1 8 field field NOUN rv042r39991 1 9 concerned concern VERB rv042r39991 1 10 with with ADP rv042r39991 1 11 the the DET rv042r39991 1 12 extraction extraction NOUN rv042r39991 1 13 of of ADP rv042r39991 1 14 knowledge knowledge NOUN rv042r39991 1 15 or or CCONJ rv042r39991 1 16 insights insight NOUN rv042r39991 1 17 from from ADP rv042r39991 1 18 data datum NOUN rv042r39991 1 19 , , PUNCT rv042r39991 1 20 with with ADP rv042r39991 1 21 the the DET rv042r39991 1 22 classification classification NOUN rv042r39991 1 23 of of ADP rv042r39991 1 24 data datum NOUN rv042r39991 1 25 as as ADP rv042r39991 1 26 a a DET rv042r39991 1 27 core core NOUN rv042r39991 1 28 , , PUNCT rv042r39991 1 29 fundamental fundamental ADJ rv042r39991 1 30 task task NOUN rv042r39991 1 31 . . PUNCT rv042r39991 2 1 one one NUM rv042r39991 2 2 of of ADP rv042r39991 2 3 the the DET rv042r39991 2 4 most most ADV rv042r39991 2 5 persistent persistent ADJ rv042r39991 2 6 challenges challenge NOUN rv042r39991 2 7 faced face VERB rv042r39991 2 8 when when SCONJ rv042r39991 2 9 performing perform VERB rv042r39991 2 10 classification classification NOUN rv042r39991 2 11 is be AUX rv042r39991 2 12 the the DET rv042r39991 2 13 class class NOUN rv042r39991 2 14 imbalance imbalance NOUN rv042r39991 2 15 problem problem NOUN rv042r39991 2 16 . . PUNCT rv042r39991 3 1 class class NOUN rv042r39991 3 2 imbalance imbalance NOUN rv042r39991 3 3 refers refer VERB rv042r39991 3 4 to to ADP rv042r39991 3 5 when when SCONJ rv042r39991 3 6 the the DET rv042r39991 3 7 frequency frequency NOUN rv042r39991 3 8 with with ADP rv042r39991 3 9 which which PRON rv042r39991 3 10 each each DET rv042r39991 3 11 class class NOUN rv042r39991 3 12 appears appear VERB rv042r39991 3 13 in in ADP rv042r39991 3 14 data datum NOUN rv042r39991 3 15 is be AUX rv042r39991 3 16 not not PART rv042r39991 3 17 roughly roughly ADV rv042r39991 3 18 equivalent equivalent ADJ rv042r39991 3 19 , , PUNCT rv042r39991 3 20 and and CCONJ rv042r39991 3 21 the the DET rv042r39991 3 22 problem problem NOUN rv042r39991 3 23 is be AUX rv042r39991 3 24 that that SCONJ rv042r39991 3 25 introduction introduction NOUN rv042r39991 3 26 of of ADP rv042r39991 3 27 class class NOUN rv042r39991 3 28 imbalance imbalance NOUN rv042r39991 3 29 into into ADP rv042r39991 3 30 the the DET rv042r39991 3 31 task task NOUN rv042r39991 3 32 of of ADP rv042r39991 3 33 classification classification NOUN rv042r39991 3 34 poses pose VERB rv042r39991 3 35 serious serious ADJ rv042r39991 3 36 challenges challenge NOUN rv042r39991 3 37 that that PRON rv042r39991 3 38 must must AUX rv042r39991 3 39 be be AUX rv042r39991 3 40 addressed address VERB rv042r39991 3 41 in in ADP rv042r39991 3 42 order order NOUN rv042r39991 3 43 to to PART rv042r39991 3 44 provide provide VERB rv042r39991 3 45 knowledge knowledge NOUN rv042r39991 3 46 and and CCONJ rv042r39991 3 47 insight insight NOUN rv042r39991 3 48 . . PUNCT rv042r39991 4 1 yet yet ADV rv042r39991 4 2 , , PUNCT rv042r39991 4 3 the the DET rv042r39991 4 4 challenges challenge NOUN rv042r39991 4 5 that that PRON rv042r39991 4 6 class class NOUN rv042r39991 4 7 imbalance imbalance NOUN rv042r39991 4 8 gives give VERB rv042r39991 4 9 rise rise NOUN rv042r39991 4 10 to to PART rv042r39991 4 11 are be AUX rv042r39991 4 12 in in ADP rv042r39991 4 13 part part NOUN rv042r39991 4 14 due due ADP rv042r39991 4 15 to to ADP rv042r39991 4 16 its its PRON rv042r39991 4 17 ubiquitous ubiquitous ADJ rv042r39991 4 18 prevalence prevalence NOUN rv042r39991 4 19 , , PUNCT rv042r39991 4 20 and and CCONJ rv042r39991 4 21 it it PRON rv042r39991 4 22 stands stand VERB rv042r39991 4 23 as as ADP rv042r39991 4 24 a a DET rv042r39991 4 25 problem problem NOUN rv042r39991 4 26 that that PRON rv042r39991 4 27 pervades pervade VERB rv042r39991 4 28 almost almost ADV rv042r39991 4 29 every every DET rv042r39991 4 30 area area NOUN rv042r39991 4 31 of of ADP rv042r39991 4 32 investigation investigation NOUN rv042r39991 4 33 under under ADP rv042r39991 4 34 which which PRON rv042r39991 4 35 data data NOUN rv042r39991 4 36 science science NOUN rv042r39991 4 37 has have VERB rv042r39991 4 38 provenance provenance NOUN rv042r39991 4 39 . . PUNCT rv042r39991 5 1 in in ADP rv042r39991 5 2 this this DET rv042r39991 5 3 dissertation dissertation NOUN rv042r39991 5 4 , , PUNCT rv042r39991 5 5 we we PRON rv042r39991 5 6 investigate investigate VERB rv042r39991 5 7 and and CCONJ rv042r39991 5 8 counter counter NOUN rv042r39991 5 9 class class NOUN rv042r39991 5 10 imbalance imbalance NOUN rv042r39991 5 11 in in ADP rv042r39991 5 12 several several ADJ rv042r39991 5 13 domains domain NOUN rv042r39991 5 14 , , PUNCT rv042r39991 5 15 touching touch VERB rv042r39991 5 16 upon upon SCONJ rv042r39991 5 17 areas area NOUN rv042r39991 5 18 as as ADV rv042r39991 5 19 diverse diverse ADJ rv042r39991 5 20 as as ADP rv042r39991 5 21 ecological ecological ADJ rv042r39991 5 22 informatics informatic NOUN rv042r39991 5 23 , , PUNCT rv042r39991 5 24 scientific scientific ADJ rv042r39991 5 25 impact impact NOUN rv042r39991 5 26 prediction prediction NOUN rv042r39991 5 27 , , PUNCT rv042r39991 5 28 healthcare healthcare NOUN rv042r39991 5 29 analytics analytic NOUN rv042r39991 5 30 , , PUNCT rv042r39991 5 31 and and CCONJ rv042r39991 5 32 education education NOUN rv042r39991 5 33 . . PUNCT rv042r39991 6 1 by by ADP rv042r39991 6 2 the the DET rv042r39991 6 3 end end NOUN rv042r39991 6 4 of of ADP rv042r39991 6 5 this this DET rv042r39991 6 6 dissertation dissertation NOUN rv042r39991 6 7 , , PUNCT rv042r39991 6 8 we we PRON rv042r39991 6 9 will will AUX rv042r39991 6 10 develop develop VERB rv042r39991 6 11 and and CCONJ rv042r39991 6 12 apply apply VERB rv042r39991 6 13 a a DET rv042r39991 6 14 variety variety NOUN rv042r39991 6 15 of of ADP rv042r39991 6 16 methods method NOUN rv042r39991 6 17 and and CCONJ rv042r39991 6 18 techniques technique NOUN rv042r39991 6 19 used use VERB rv042r39991 6 20 to to PART rv042r39991 6 21 combat combat VERB rv042r39991 6 22 the the DET rv042r39991 6 23 class class NOUN rv042r39991 6 24 imbalance imbalance NOUN rv042r39991 6 25 that that PRON rv042r39991 6 26 is be AUX rv042r39991 6 27 endemic endemic ADJ rv042r39991 6 28 to to ADP rv042r39991 6 29 these these DET rv042r39991 6 30 and and CCONJ rv042r39991 6 31 other other ADJ rv042r39991 6 32 domains domain NOUN rv042r39991 6 33 . . PUNCT rv042r39991 7 1 we we PRON rv042r39991 7 2 will will AUX rv042r39991 7 3 also also ADV rv042r39991 7 4 compare compare VERB rv042r39991 7 5 and and CCONJ rv042r39991 7 6 contrast contrast VERB rv042r39991 7 7 the the DET rv042r39991 7 8 approaches approach NOUN rv042r39991 7 9 we we PRON rv042r39991 7 10 use use VERB rv042r39991 7 11 to to PART rv042r39991 7 12 combat combat VERB rv042r39991 7 13 class class NOUN rv042r39991 7 14 imbalance imbalance NOUN rv042r39991 7 15 with with ADP rv042r39991 7 16 more more ADV rv042r39991 7 17 traditional traditional ADJ rv042r39991 7 18 approaches approach NOUN rv042r39991 7 19 typically typically ADV rv042r39991 7 20 employed employ VERB rv042r39991 7 21 within within ADP rv042r39991 7 22 each each DET rv042r39991 7 23 domain domain NOUN rv042r39991 7 24 . . PUNCT rv042r39991 8 1 before before ADP rv042r39991 8 2 beginning begin VERB rv042r39991 8 3 , , PUNCT rv042r39991 8 4 however however ADV rv042r39991 8 5 , , PUNCT rv042r39991 8 6 we we PRON rv042r39991 8 7 present present VERB rv042r39991 8 8 a a DET rv042r39991 8 9 preliminary preliminary ADJ rv042r39991 8 10 overview overview NOUN rv042r39991 8 11 of of ADP rv042r39991 8 12 the the DET rv042r39991 8 13 class class NOUN rv042r39991 8 14 imbalance imbalance NOUN rv042r39991 8 15 problem problem NOUN rv042r39991 8 16 and and CCONJ rv042r39991 8 17 the the DET rv042r39991 8 18 algorithms algorithm NOUN rv042r39991 8 19 , , PUNCT rv042r39991 8 20 methods method NOUN rv042r39991 8 21 , , PUNCT rv042r39991 8 22 and and CCONJ rv042r39991 8 23 evaluation evaluation NOUN rv042r39991 8 24 metrics metric NOUN rv042r39991 8 25 generally generally ADV rv042r39991 8 26 employed employ VERB rv042r39991 8 27 to to PART rv042r39991 8 28 address address VERB rv042r39991 8 29 it it PRON rv042r39991 8 30 . . PUNCT