Rijsbergen, C.J. van: Information retrieval (1979)
0.01
0.008772357 = product of:
0.061406497 = sum of:
0.01547085 = weight(_text_:information in 856) [ClassicSimilarity], result of:
0.01547085 = score(doc=856,freq=14.0), product of:
0.04306919 = queryWeight, product of:
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.02453417 = queryNorm
0.3592092 = fieldWeight in 856, product of:
3.7416575 = tf(freq=14.0), with freq of:
14.0 = termFreq=14.0
1.7554779 = idf(docFreq=20772, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.045935646 = weight(_text_:retrieval in 856) [ClassicSimilarity], result of:
0.045935646 = score(doc=856,freq=14.0), product of:
0.07421378 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.02453417 = 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)
0.14285715 = coord(2/14)
- LCSH
- Information storage and retrieval systems
- RSWK
- Information Retrieval
Datenverarbeitung / Information Retrieval
- Subject
- Information Retrieval
Datenverarbeitung / Information Retrieval
Information storage and retrieval systems
