Fox, E.A.; Koll, M.B.: Practical enhanced Boolean retrieval : experiences with the SMART and SIRE systems (1988)
0.01
0.009153739 = product of:
0.06407617 = sum of:
0.016143454 = weight(_text_:information in 2940) [ClassicSimilarity], result of:
0.016143454 = score(doc=2940,freq=2.0), product of:
0.052020688 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.029633347 = queryNorm
0.3103276 = fieldWeight in 2940, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.125 = fieldNorm(doc=2940)
0.047932718 = weight(_text_:retrieval in 2940) [ClassicSimilarity], result of:
0.047932718 = score(doc=2940,freq=2.0), product of:
0.08963835 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.029633347 = queryNorm
0.5347345 = fieldWeight in 2940, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.125 = fieldNorm(doc=2940)
0.14285715 = coord(2/14)
- Source
- Information processing and management. 24(1988), S.257-267
