Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005)
0.01
0.0068014995 = product of:
0.013602999 = sum of:
0.013602999 = product of:
0.027205998 = sum of:
0.027205998 = weight(_text_:6 in 3455) [ClassicSimilarity], result of:
0.027205998 = score(doc=3455,freq=2.0), product of:
0.13521942 = queryWeight, product of:
3.0350742 = idf(docFreq=5777, maxDocs=44218)
0.044552263 = queryNorm
0.20119889 = fieldWeight in 3455, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.0350742 = idf(docFreq=5777, maxDocs=44218)
0.046875 = fieldNorm(doc=3455)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 56(2005) no.6, S.571-583
