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)
