-
Kantor, P.; Kim, M.H.; Ibraev, U.; Atasoy, K.: Estimating the number of relevant documents in enormous collections (1999)
0.01
0.011655438 = product of:
0.023310876 = sum of:
0.023310876 = product of:
0.034966312 = sum of:
0.031998128 = weight(_text_:k in 6690) [ClassicSimilarity], result of:
0.031998128 = score(doc=6690,freq=2.0), product of:
0.16225883 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.04545348 = queryNorm
0.19720423 = fieldWeight in 6690, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.0390625 = fieldNorm(doc=6690)
0.0029681858 = weight(_text_:s in 6690) [ClassicSimilarity], result of:
0.0029681858 = score(doc=6690,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 6690, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=6690)
0.6666667 = coord(2/3)
0.5 = coord(1/2)
- Pages
- S.507-514
-
Mandl, T.: Web- und Multimedia-Dokumente : Neuere Entwicklungen bei der Evaluierung von Information Retrieval Systemen (2003)
0.00
7.915163E-4 = product of:
0.0015830325 = sum of:
0.0015830325 = product of:
0.0047490974 = sum of:
0.0047490974 = weight(_text_:s in 1734) [ClassicSimilarity], result of:
0.0047490974 = score(doc=1734,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.09609913 = fieldWeight in 1734, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0625 = fieldNorm(doc=1734)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information - Wissenschaft und Praxis. 54(2003) H.4, S.203-210
-
Kwok, K.L.: ¬A network approach to probabilistic information retrieval (1995)
0.00
5.936372E-4 = product of:
0.0011872743 = sum of:
0.0011872743 = product of:
0.003561823 = sum of:
0.003561823 = weight(_text_:s in 5696) [ClassicSimilarity], result of:
0.003561823 = score(doc=5696,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.072074346 = fieldWeight in 5696, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=5696)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- ACM transactions on information systems. 13(1995) no.3, S.324-353
-
Rokaya, M.; Atlam, E.; Fuketa, M.; Dorji, T.C.; Aoe, J.-i.: Ranking of field association terms using Co-word analysis (2008)
0.00
5.936372E-4 = product of:
0.0011872743 = sum of:
0.0011872743 = product of:
0.003561823 = sum of:
0.003561823 = weight(_text_:s in 2060) [ClassicSimilarity], result of:
0.003561823 = score(doc=2060,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.072074346 = fieldWeight in 2060, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.046875 = fieldNorm(doc=2060)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Information processing and management. 44(2008) no.2, S.738-755
-
López-Pujalte, C.; Guerrero-Bote, V.P.; Moya-Anegón, F. de: Order-based fitness functions for genetic algorithms applied to relevance feedback (2003)
0.00
4.9469766E-4 = product of:
9.893953E-4 = sum of:
9.893953E-4 = product of:
0.0029681858 = sum of:
0.0029681858 = weight(_text_:s in 5154) [ClassicSimilarity], result of:
0.0029681858 = score(doc=5154,freq=2.0), product of:
0.049418733 = queryWeight, product of:
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.04545348 = queryNorm
0.060061958 = fieldWeight in 5154, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.0872376 = idf(docFreq=40523, maxDocs=44218)
0.0390625 = fieldNorm(doc=5154)
0.33333334 = coord(1/3)
0.5 = coord(1/2)
- Source
- Journal of the American Society for Information Science and technology. 54(2003) no.2, S.152-160