product reviews 0.00290456
product features 0.00277673
ranking reviews 0.002578291
product feature 0.00252766
good reviews 0.002438786
review model 0.002404368
user reviews 0.002400637
review words 0.0023858079999999997
data features 0.002369861
review helpfulness 0.002357952
different feature 0.0023423059999999997
new reviews 0.0023255430000000002
several features 0.002276127
following features 0.002229609
various features 0.002219985
lexical features 0.002217532
other feature 0.002196124
online reviews 0.00218394
measure reviews 0.002179553
short reviews 0.002167611
total reviews 0.002155822
review sites 0.002149565
review length 0.002142089
player reviews 0.002140667
review rankings 0.002139031
players reviews 0.0021343
customer reviews 0.002126582
review title 0.002119995
semantic features 0.002119776
sample reviews 0.002118536
helpful reviews 0.002113384
certain review 0.0021094069999999998
particular review 0.002109405
cate reviews 0.002107795
review assessments 0.002104174
ual review 0.0021002819999999998
ful review 0.002099906
modeling review 0.002098207
lected reviews 0.002096686
duplicated reviews 0.002096686
syntactic features 0.002079915
features syntactic 0.002079915
useful features 0.002026251
feature set 0.002002931
features structural 0.002000748
structural features 0.002000748
unique features 0.001991391
uct features 0.001984868
bigram features 0.00198378
stars features 0.001980577
following feature 0.001980539
certain features 0.001980287
unigram features 0.001978451
tic features 0.001976858
various feature 0.001970915
standalone features 0.0019693840000000002
different product 0.001951346
feature extraction 0.001874172
feature class 0.0018401959999999999
review 0.0018375
reviews 0.00183621
only feature 0.001834185
feature sets 0.001778347
feature combinations 0.0017579219999999999
feature classes 0.001743658
uct feature 0.001735798
product rating 0.001735655
stars feature 0.001731507
syntax feature 0.001726825
feature measurement 0.001723357
feature men 0.001722052
features 0.00170838
sentiment polarity 0.001589024
opinion sentences 0.001560976
feature 0.00145931
relevant product 0.001415437
opinion analysis 0.001366697
product versions 0.001353243
lar product 0.001332322
plicit product 0.0013297
classification task 0.001304256
text classification 0.001288843
svm ranking 0.001284
sentiment words 0.001271936
helpfulness ranking 0.0012625330000000001
ranking system 0.001258041
standard ranking 0.0012503190000000002
sentiment analysis 0.001241385
learning approach 0.001237366
negative sentiment 0.001236676
sentence level 0.001220987
many text 0.001214388
average sentence 0.001214323
results analysis 0.001189169
different classes 0.001167344
different domains 0.001158438
learning task 0.001137176
average rating 0.0011303490000000001
question sentences 0.00112895
ranking performance 0.00112412
