Lai, K.F.; Ngo, C.-W.: Experiments on routing, filtering and Chinese text retrieval in TREC-5 (1997)
0.02
0.016624156 = product of:
0.033248313 = sum of:
0.033248313 = product of:
0.066496626 = sum of:
0.066496626 = weight(_text_:c in 3092) [ClassicSimilarity], result of:
0.066496626 = score(doc=3092,freq=2.0), product of:
0.14540158 = queryWeight, product of:
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.042152654 = queryNorm
0.45733082 = fieldWeight in 3092, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.4494052 = idf(docFreq=3817, maxDocs=44218)
0.09375 = fieldNorm(doc=3092)
0.5 = coord(1/2)
0.5 = coord(1/2)