Radev, D.; Fan, W.; Qu, H.; Wu, H.; Grewal, A.: Probabilistic question answering on the Web (2005)
0.01
0.008602084 = product of:
0.017204167 = sum of:
0.017204167 = product of:
0.034408335 = sum of:
0.034408335 = weight(_text_:w in 3455) [ClassicSimilarity], result of:
0.034408335 = score(doc=3455,freq=2.0), product of:
0.13620423 = queryWeight, product of:
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.035741583 = queryNorm
0.2526231 = fieldWeight in 3455, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.8108058 = idf(docFreq=2659, maxDocs=44218)
0.046875 = fieldNorm(doc=3455)
0.5 = coord(1/2)
0.5 = coord(1/2)