Efthimiadis, E.N.: Interactive query expansion : a user-based evaluation in a relevance feedback environment (2000)
0.00
3.686741E-4 = product of:
0.0011060223 = sum of:
0.0011060223 = product of:
0.0022120446 = sum of:
0.0022120446 = weight(_text_:s in 5701) [ClassicSimilarity], result of:
0.0022120446 = score(doc=5701,freq=2.0), product of:
0.046036724 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.042342838 = queryNorm
0.048049565 = fieldWeight in 5701, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.03125 = fieldNorm(doc=5701)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Source
- Journal of the American Society for Information Science. 51(2000) no.11, S.989-1003
