-
Sarnikar, S.; Zhang, Z.; Zhao, J.L.: Query-performance prediction for effective query routing in domain-specific repositories (2014)
0.00
0.0012762066 = product of:
0.0025524131 = sum of:
0.0025524131 = product of:
0.0051048263 = sum of:
0.0051048263 = weight(_text_:s in 1326) [ClassicSimilarity], result of:
0.0051048263 = score(doc=1326,freq=4.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.101928525 = fieldWeight in 1326, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=1326)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.8, S.1597-1614
-
Suakkaphong, N.; Zhang, Z.; Chen, H.: Disease named entity recognition using semisupervised learning and conditional random fields (2011)
0.00
7.520119E-4 = product of:
0.0015040238 = sum of:
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = weight(_text_:s in 4367) [ClassicSimilarity], result of:
0.0030080476 = score(doc=4367,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 4367, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=4367)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 62(2011) no.4, S.727-737
-
Zhang, Z.; Li, Q.; Zeng, D.; Ga, H.: Extracting evolutionary communities in community question answering (2014)
0.00
7.520119E-4 = product of:
0.0015040238 = sum of:
0.0015040238 = product of:
0.0030080476 = sum of:
0.0030080476 = weight(_text_:s in 1286) [ClassicSimilarity], result of:
0.0030080476 = score(doc=1286,freq=2.0), product of:
0.05008241 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046063907 = queryNorm
0.060061958 = fieldWeight in 1286, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=1286)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the Association for Information Science and Technology. 65(2014) no.6, S.1170-1186