id sid tid token lemma pos 41687h1783x 1 1 content content NOUN 41687h1783x 1 2 consumption consumption NOUN 41687h1783x 1 3 and and CCONJ 41687h1783x 1 4 generation generation NOUN 41687h1783x 1 5 is be AUX 41687h1783x 1 6 a a DET 41687h1783x 1 7 major major ADJ 41687h1783x 1 8 part part NOUN 41687h1783x 1 9 of of ADP 41687h1783x 1 10 the the DET 41687h1783x 1 11 internet internet NOUN 41687h1783x 1 12 experience experience NOUN 41687h1783x 1 13 . . PUNCT 41687h1783x 2 1 product product NOUN 41687h1783x 2 2 and and CCONJ 41687h1783x 2 3 service service NOUN 41687h1783x 2 4 - - PUNCT 41687h1783x 2 5 providers provider NOUN 41687h1783x 2 6 strive strive VERB 41687h1783x 2 7 to to PART 41687h1783x 2 8 improve improve VERB 41687h1783x 2 9 user user NOUN 41687h1783x 2 10 experience experience NOUN 41687h1783x 2 11 through through ADP 41687h1783x 2 12 personalization personalization NOUN 41687h1783x 2 13 of of ADP 41687h1783x 2 14 services service NOUN 41687h1783x 2 15 , , PUNCT 41687h1783x 2 16 recommendations recommendation NOUN 41687h1783x 2 17 , , PUNCT 41687h1783x 2 18 and and CCONJ 41687h1783x 2 19 understanding understand VERB 41687h1783x 2 20 user user NOUN 41687h1783x 2 21 interests interest NOUN 41687h1783x 2 22 . . PUNCT 41687h1783x 3 1 for for ADP 41687h1783x 3 2 this this DET 41687h1783x 3 3 purpose purpose NOUN 41687h1783x 3 4 , , PUNCT 41687h1783x 3 5 inferring infer VERB 41687h1783x 3 6 user user NOUN 41687h1783x 3 7 characteristics characteristic NOUN 41687h1783x 3 8 , , PUNCT 41687h1783x 3 9 such such ADJ 41687h1783x 3 10 as as ADP 41687h1783x 3 11 demographic demographic ADJ 41687h1783x 3 12 information information NOUN 41687h1783x 3 13 , , PUNCT 41687h1783x 3 14 from from ADP 41687h1783x 3 15 their their PRON 41687h1783x 3 16 behavior behavior NOUN 41687h1783x 3 17 , , PUNCT 41687h1783x 3 18 would would AUX 41687h1783x 3 19 help help VERB 41687h1783x 3 20 understand understand VERB 41687h1783x 3 21 their their PRON 41687h1783x 3 22 preferences preference NOUN 41687h1783x 3 23 . . PUNCT 41687h1783x 4 1 through through ADP 41687h1783x 4 2 this this DET 41687h1783x 4 3 dissertation dissertation NOUN 41687h1783x 4 4 , , PUNCT 41687h1783x 4 5 we we PRON 41687h1783x 4 6 show show VERB 41687h1783x 4 7 that that SCONJ 41687h1783x 4 8 by by ADP 41687h1783x 4 9 using use VERB 41687h1783x 4 10 content content NOUN 41687h1783x 4 11 and and CCONJ 41687h1783x 4 12 behavior behavior NOUN 41687h1783x 4 13 data datum NOUN 41687h1783x 4 14 , , PUNCT 41687h1783x 4 15 we we PRON 41687h1783x 4 16 can can AUX 41687h1783x 4 17 characterize characterize VERB 41687h1783x 4 18 users user NOUN 41687h1783x 4 19 for for ADP 41687h1783x 4 20 the the DET 41687h1783x 4 21 purpose purpose NOUN 41687h1783x 4 22 of of ADP 41687h1783x 4 23 improving improve VERB 41687h1783x 4 24 their their PRON 41687h1783x 4 25 experience experience NOUN 41687h1783x 4 26 through through ADP 41687h1783x 4 27 personalization personalization NOUN 41687h1783x 4 28 in in ADP 41687h1783x 4 29 the the DET 41687h1783x 4 30 domains domain NOUN 41687h1783x 4 31 of of ADP 41687h1783x 4 32 education education NOUN 41687h1783x 4 33 and and CCONJ 41687h1783x 4 34 online online ADJ 41687h1783x 4 35 content content NOUN 41687h1783x 4 36 consumption consumption NOUN 41687h1783x 4 37 . . PUNCT 41687h1783x 5 1 we we PRON 41687h1783x 5 2 discuss discuss VERB 41687h1783x 5 3 two two NUM 41687h1783x 5 4 challenges challenge NOUN 41687h1783x 5 5 : : PUNCT 41687h1783x 5 6 ( ( PUNCT 41687h1783x 5 7 1 1 X 41687h1783x 5 8 ) ) PUNCT 41687h1783x 5 9 . . PUNCT 41687h1783x 6 1 representing represent VERB 41687h1783x 6 2 users user NOUN 41687h1783x 6 3 given give VERB 41687h1783x 6 4 heterogeneous heterogeneous ADJ 41687h1783x 6 5 , , PUNCT 41687h1783x 6 6 industry industry NOUN 41687h1783x 6 7 - - PUNCT 41687h1783x 6 8 scale scale NOUN 41687h1783x 6 9 volume volume NOUN 41687h1783x 6 10 of of ADP 41687h1783x 6 11 data datum NOUN 41687h1783x 6 12 , , PUNCT 41687h1783x 6 13 and and CCONJ 41687h1783x 6 14 ( ( PUNCT 41687h1783x 6 15 2 2 X 41687h1783x 6 16 ) ) PUNCT 41687h1783x 6 17 . . PUNCT 41687h1783x 7 1 improving improve VERB 41687h1783x 7 2 the the DET 41687h1783x 7 3 representation representation NOUN 41687h1783x 7 4 of of ADP 41687h1783x 7 5 underrepresented underrepresented ADJ 41687h1783x 7 6 groups group NOUN 41687h1783x 7 7 of of ADP 41687h1783x 7 8 users user NOUN 41687h1783x 7 9 , , PUNCT 41687h1783x 7 10 which which PRON 41687h1783x 7 11 is be AUX 41687h1783x 7 12 the the DET 41687h1783x 7 13 imbalanced imbalanced ADJ 41687h1783x 7 14 classification classification NOUN 41687h1783x 7 15 problem problem NOUN 41687h1783x 7 16 . . PUNCT