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phrase weighting 0.003745046
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phrase types 0.003722472
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statistical phrases 0.0021019710000000002
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following phrases 0.002022954
many phrases 0.002010926
good phrases 0.001988821
tic phrases 0.001927561
cal phrases 0.001876176
bigram phrases 0.001867999
generating phrases 0.0018567
phrases 0.00159841
information retrieval 0.0014691489999999999
training set 0.001412348
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probabilistic retrieval 0.001148824
training sets 0.0011429399999999998
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dependency gram 0.001109834
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different degrees 0.001098118
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meaningless dependency 0.001092718
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overall retrieval 0.001089286
retrieval con 0.001086786
simple language 0.001084671
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feature indi 0.001067727
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high probability 0.001054047
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ful features 0.001047947
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cost function 0.0010447569999999999
information com 0.0010364900000000002
logistic function 0.001035402
corpus statistics 0.001019594
ranking function 0.001013667
vector space 0.0010133870000000001
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parameter value 0.0010042340000000001
transformation function 9.98032E-4
modeling method 9.95864E-4
document pairs 9.94453E-4
effective parameter 9.93247E-4
