-
Belkin, N.J.: Ineffable concepts in information retrieval (1981)
0.03
0.029405536 = product of:
0.058811072 = sum of:
0.058811072 = product of:
0.117622145 = sum of:
0.117622145 = weight(_text_:k in 3148) [ClassicSimilarity], result of:
0.117622145 = score(doc=3148,freq=2.0), product of:
0.18639012 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.052213363 = queryNorm
0.63105357 = fieldWeight in 3148, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.125 = fieldNorm(doc=3148)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Information retrieval experiment. Ed.: K. Sparck Jones
-
Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
0.03
0.02829676 = product of:
0.05659352 = sum of:
0.05659352 = product of:
0.11318704 = sum of:
0.11318704 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
0.11318704 = score(doc=334,freq=2.0), product of:
0.1828423 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.052213363 = queryNorm
0.61904186 = fieldWeight in 334, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.125 = fieldNorm(doc=334)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Source
- Annual review of information science and technology. 22(1987), S.109-145
-
Daniels, P.J.; Brooks, H.M.; Belkin, N.J.: Using problem structures for driving human-computer dialogues (1985)
0.02
0.01837846 = product of:
0.03675692 = sum of:
0.03675692 = product of:
0.07351384 = sum of:
0.07351384 = weight(_text_:k in 1929) [ClassicSimilarity], result of:
0.07351384 = score(doc=1929,freq=2.0), product of:
0.18639012 = queryWeight, product of:
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.052213363 = queryNorm
0.39440846 = fieldWeight in 1929, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.569778 = idf(docFreq=3384, maxDocs=44218)
0.078125 = fieldNorm(doc=1929)
0.5 = coord(1/2)
0.5 = coord(1/2)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.135-142.