Ding, Y.; Chowdhury, G.C.; Foo, S.: Incorporating the results of co-word analyses to increase search variety for information retrieval (2000)
0.01
0.007581752 = product of:
0.05307226 = sum of:
0.01712272 = weight(_text_:information in 6328) [ClassicSimilarity], result of:
0.01712272 = score(doc=6328,freq=4.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.3291521 = fieldWeight in 6328, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.09375 = fieldNorm(doc=6328)
0.03594954 = weight(_text_:retrieval in 6328) [ClassicSimilarity], result of:
0.03594954 = score(doc=6328,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.40105087 = fieldWeight in 6328, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.09375 = fieldNorm(doc=6328)
0.14285715 = coord(2/14)
- Source
- Journal of information science. 26(2000) no.6, S.429-451
