Ruthven, T.; Lalmas, M.; Rijsbergen, K.van: Incorporating user research behavior into relevance feedback (2003)
0.02
0.019230051 = product of:
0.038460102 = sum of:
0.038460102 = product of:
0.076920204 = sum of:
0.076920204 = weight(_text_:2003 in 5169) [ClassicSimilarity], result of:
0.076920204 = score(doc=5169,freq=5.0), product of:
0.20291246 = queryWeight, product of:
4.339969 = idf(docFreq=1566, maxDocs=44218)
0.046754356 = queryNorm
0.3790807 = fieldWeight in 5169, product of:
2.236068 = tf(freq=5.0), with freq of:
5.0 = termFreq=5.0
4.339969 = idf(docFreq=1566, maxDocs=44218)
0.0390625 = fieldNorm(doc=5169)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.6, S.528-548
- Year
- 2003