Rijsbergen, C.J. van: Information retrieval (1979)
0.14
0.14202747 = product of:
0.28405493 = sum of:
0.14992312 = weight(_text_:storage in 856) [ClassicSimilarity], result of:
0.14992312 = score(doc=856,freq=4.0), product of:
0.25156263 = queryWeight, product of:
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.04616807 = queryNorm
0.59596735 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.4488444 = idf(docFreq=516, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.08644108 = weight(_text_:retrieval in 856) [ClassicSimilarity], result of:
0.08644108 = score(doc=856,freq=14.0), product of:
0.13965449 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.04616807 = queryNorm
0.61896384 = fieldWeight in 856, product of:
3.7416575 = tf(freq=14.0), with freq of:
14.0 = termFreq=14.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.047690753 = weight(_text_:systems in 856) [ClassicSimilarity], result of:
0.047690753 = score(doc=856,freq=4.0), product of:
0.14188252 = queryWeight, product of:
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.04616807 = queryNorm
0.33612844 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.0731742 = idf(docFreq=5561, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.5 = coord(3/6)
- LCSH
- Information storage and retrieval systems
- RSWK
- Information Retrieval
Datenverarbeitung / Information Retrieval
- Subject
- Information Retrieval
Datenverarbeitung / Information Retrieval
Information storage and retrieval systems