-
Belkin, N.J.; Vickery, A.: Interaction in information systems : a review of research from document retrieval to knowledge-based systems (1985)
0.02
0.021279104 = product of:
0.095755965 = sum of:
0.014818345 = weight(_text_:of in 3295) [ClassicSimilarity], result of:
0.014818345 = score(doc=3295,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.24188137 = fieldWeight in 3295, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=3295)
0.08093762 = weight(_text_:systems in 3295) [ClassicSimilarity], result of:
0.08093762 = score(doc=3295,freq=4.0), product of:
0.12039685 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.03917671 = queryNorm
0.6722569 = fieldWeight in 3295, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.109375 = fieldNorm(doc=3295)
0.22222222 = coord(2/9)
-
Belkin, N.J.; Croft, W.B.: Retrieval techniques (1987)
0.01
0.013199662 = product of:
0.05939848 = sum of:
0.016935252 = weight(_text_:of in 334) [ClassicSimilarity], result of:
0.016935252 = score(doc=334,freq=2.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.27643585 = fieldWeight in 334, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.125 = fieldNorm(doc=334)
0.042463228 = product of:
0.084926456 = sum of:
0.084926456 = weight(_text_:22 in 334) [ClassicSimilarity], result of:
0.084926456 = score(doc=334,freq=2.0), product of:
0.13719016 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03917671 = 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)
0.22222222 = coord(2/9)
- Source
- Annual review of information science and technology. 22(1987), S.109-145
-
Belkin, N.J.: Anomalous states of knowledge as a basis for information retrieval (1980)
0.00
0.002661118 = product of:
0.023950063 = sum of:
0.023950063 = weight(_text_:of in 2711) [ClassicSimilarity], result of:
0.023950063 = score(doc=2711,freq=4.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.39093933 = fieldWeight in 2711, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.125 = fieldNorm(doc=2711)
0.11111111 = coord(1/9)
- Source
- The Canadian journal of information science. 5(1980), S.133-143
-
Belkin, N.J.: ¬The problem of 'matching' in information retrieval (1980)
0.00
0.0024443932 = product of:
0.021999538 = sum of:
0.021999538 = weight(_text_:of in 1329) [ClassicSimilarity], result of:
0.021999538 = score(doc=1329,freq=6.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.3591007 = fieldWeight in 1329, product of:
2.4494898 = tf(freq=6.0), with freq of:
6.0 = termFreq=6.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.09375 = fieldNorm(doc=1329)
0.11111111 = coord(1/9)
- Source
- Theory and application of information research. Proc. of the 2nd Int. Research Forum on Information Science, 3.-6.8.1977, Copenhagen. Ed.: O. Harbo u. L. Kajberg
-
Belkin, N.J.; Oddy, R.N.; Brooks, H.M.: Ask for information retrieval : Pt.1: Background and theory; Pt.2: Results of a study (1982)
0.00
0.0023284785 = product of:
0.020956306 = sum of:
0.020956306 = weight(_text_:of in 2590) [ClassicSimilarity], result of:
0.020956306 = score(doc=2590,freq=4.0), product of:
0.061262865 = queryWeight, product of:
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.03917671 = queryNorm
0.34207192 = fieldWeight in 2590, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
1.5637573 = idf(docFreq=25162, maxDocs=44218)
0.109375 = fieldNorm(doc=2590)
0.11111111 = coord(1/9)
- Source
- Journal of documentation. 38(1982), S.61-71 (Pt.1); S.145-191 (Pt.2)