Dyer, H. u. A. Gunson (Comp.): ¬A directory of library and information retrieval software for microcomputers (1990)
0.01
0.0116342725 = product of:
0.052354228 = sum of:
0.013190207 = weight(_text_:information in 816) [ClassicSimilarity], result of:
0.013190207 = score(doc=816,freq=2.0), product of:
0.06800663 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.038739666 = queryNorm
0.19395474 = fieldWeight in 816, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.078125 = fieldNorm(doc=816)
0.03916402 = weight(_text_:retrieval in 816) [ClassicSimilarity], result of:
0.03916402 = score(doc=816,freq=2.0), product of:
0.1171842 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.038739666 = queryNorm
0.33420905 = fieldWeight in 816, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=816)
0.22222222 = coord(2/9)
