answer features 0.005221470000000001
question answer 0.00501734
answer feature 0.004673200000000001
correct answer 0.004106617
answer type 0.004098293
answer extraction 0.004073368
lexical answer 0.003984262
answer types 0.003976351
trec answer 0.003939411
answer candidates 0.003893234
relevant answer 0.003843249
answer fea 0.0038254860000000003
answer patterns 0.003800296
downstream answer 0.0037855470000000002
answer typing 0.003784918
discriminative answer 0.0037840770000000003
answer templates 0.003783747
fixed answer 0.003777846
ous answer 0.003777711
known answer 0.003777104
helpful answer 0.003775993
answer 0.00351482
question features 0.00320917
question word 0.00264694
question type 0.002085993
top features 0.002063126
weighted features 0.002044826
unigram features 0.001999615
question analysis 0.001989041
various features 0.0019883540000000003
trigram features 0.001969299
bigram features 0.001969299
question types 0.001964051
original question 0.001877237
question answering 0.001854302
tween question 0.001787988
question templates 0.001771447
features 0.00170665
ing system 0.001631652
different questions 0.00160773
feature selection 0.0015708190000000002
important feature 0.00151901
feature label 0.00150621
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unigram feature 0.0014513450000000002
questions sentences 0.001428528
training data 0.001423623
information retrieval 0.001401761
query words 0.00138538
semantic role 0.001337099
retrieval approach 0.001336663
semantic roles 0.0013312570000000002
training set 0.001304008
positive questions 0.001279591
retrieval results 0.001254767
sentence retrieval 0.00125458
query results 0.0012338890000000002
data test 0.001233824
test data 0.001233824
retrieval task 0.001179226
retrieval method 0.00117339
document retrieval 0.001163126
type set 0.0011590559999999999
feature 0.00115838
crf model 0.001135918
system 0.00113015
tion words 0.001114548
retrieval baseline 0.001101542
only information 0.00110059
model the 0.001079834
trained model 0.001077857
same processing 0.001062287
crf training 0.001055123
passage retrieval 0.001048247
individual words 0.00103446
coupled retrieval 0.001021438
structured retrieval 0.001019986
retrieval techniques 0.0010179920000000001
test sentences 0.00101238
dependency relations 0.001006322
types first 9.89575E-4
certain dependency 9.89206E-4
query formulation 9.87512E-4
tence retrieval 9.835500000000001E-4
formation retrieval 9.76692E-4
query weighting 9.68642E-4
ranking list 9.68126E-4
swer type 9.64504E-4
query expan 9.58488E-4
practice query 9.58488E-4
same manner 9.54782E-4
questions 9.54774E-4
search engine 9.29884E-4
structure matching 9.29367E-4
mrr document 9.17754E-4
mrr map 9.16918E-4
map mrr 9.16918E-4
graph matching 9.127569999999999E-4
dependency path 9.06457E-4
overall performance 9.04375E-4
