-
Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
0.00
0.0015604248 = product of:
0.031208497 = sum of:
0.031208497 = product of:
0.062416993 = sum of:
0.062416993 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
0.062416993 = score(doc=334,freq=2.0), product of:
0.10082839 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.02879306 = 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)
0.05 = coord(1/20)
- Source
- Annual review of information science and technology. 22(1987), S.109-145
-
Belkin, N.J.: Ineffable concepts in information retrieval (1981)
0.00
4.70894E-4 = product of:
0.00941788 = sum of:
0.00941788 = weight(_text_:in in 3148) [ClassicSimilarity], result of:
0.00941788 = score(doc=3148,freq=2.0), product of:
0.039165888 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.02879306 = queryNorm
0.24046129 = fieldWeight in 3148, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.125 = fieldNorm(doc=3148)
0.05 = coord(1/20)
-
Daniels, P.J.; Brooks, H.M.; Belkin, N.J.: Using problem structures for driving human-computer dialogues (1985)
0.00
4.1621542E-4 = product of:
0.008324308 = sum of:
0.008324308 = weight(_text_:in in 1929) [ClassicSimilarity], result of:
0.008324308 = score(doc=1929,freq=4.0), product of:
0.039165888 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.02879306 = queryNorm
0.21253976 = fieldWeight in 1929, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.078125 = fieldNorm(doc=1929)
0.05 = coord(1/20)
- Footnote
- Wiederabgedruckt in: Readings in information retrieval. Ed.: K. Sparck Jones u. P. Willett. San Francisco: Morgan Kaufmann 1997. S.135-142.
-
Belkin, N.J.; Vickery, A.: Interaction in information systems : a review of research from document retrieval to knowledge-based systems (1985)
0.00
4.1203224E-4 = product of:
0.008240645 = sum of:
0.008240645 = weight(_text_:in in 3295) [ClassicSimilarity], result of:
0.008240645 = score(doc=3295,freq=2.0), product of:
0.039165888 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.02879306 = queryNorm
0.21040362 = fieldWeight in 3295, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.109375 = fieldNorm(doc=3295)
0.05 = coord(1/20)
-
Belkin, N.J.: ¬The problem of 'matching' in information retrieval (1980)
0.00
3.531705E-4 = product of:
0.00706341 = sum of:
0.00706341 = weight(_text_:in in 1329) [ClassicSimilarity], result of:
0.00706341 = score(doc=1329,freq=2.0), product of:
0.039165888 = queryWeight, product of:
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.02879306 = queryNorm
0.18034597 = fieldWeight in 1329, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.3602545 = idf(docFreq=30841, maxDocs=44218)
0.09375 = fieldNorm(doc=1329)
0.05 = coord(1/20)