Lee, J.H.: Combining the evidence of different relevance feedback methods for information retrieval (1998)
0.02
0.022776658 = product of:
0.11388329 = sum of:
0.11388329 = product of:
0.22776657 = sum of:
0.22776657 = weight(_text_:lee in 6469) [ClassicSimilarity], result of:
0.22776657 = score(doc=6469,freq=2.0), product of:
0.24718519 = queryWeight, product of:
5.957094 = idf(docFreq=310, maxDocs=44218)
0.041494254 = queryNorm
0.921441 = fieldWeight in 6469, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
5.957094 = idf(docFreq=310, maxDocs=44218)
0.109375 = fieldNorm(doc=6469)
0.5 = coord(1/2)
0.2 = coord(1/5)
