Liu, Y.; Zhang, M.; Cen, R.; Ru, L.; Ma, S.: Data cleansing for Web information retrieval using query independent features (2007)
0.00
0.0033821356 = product of:
0.0067642713 = sum of:
0.0067642713 = product of:
0.020292813 = sum of:
0.020292813 = weight(_text_:12 in 607) [ClassicSimilarity], result of:
0.020292813 = score(doc=607,freq=2.0), product of:
0.13281173 = queryWeight, product of:
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.048018172 = queryNorm
0.15279384 = fieldWeight in 607, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.765864 = idf(docFreq=7562, maxDocs=44218)
0.0390625 = fieldNorm(doc=607)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and Technology. 58(2007) no.12, S.1884-1898