-
Rowley, J.E.: Organising knowledge : An introduction to information retrieval (1987)
0.01
0.011663257 = product of:
0.0816428 = sum of:
0.0816428 = weight(_text_:retrieval in 4291) [ClassicSimilarity], result of:
0.0816428 = score(doc=4291,freq=10.0), product of:
0.109248295 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.036116153 = queryNorm
0.74731416 = fieldWeight in 4291, product of:
3.1622777 = tf(freq=10.0), with freq of:
10.0 = termFreq=10.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=4291)
0.14285715 = coord(1/7)
- LCSH
- Information storage and retrieval systems
- PRECIS
- Information retrieval systems
- Subject
- Information storage and retrieval systems
Information retrieval systems
-
Rijsbergen, C.J. van: Information retrieval (1979)
0.01
0.009660107 = product of:
0.06762075 = sum of:
0.06762075 = weight(_text_:retrieval in 856) [ClassicSimilarity], result of:
0.06762075 = score(doc=856,freq=14.0), product of:
0.109248295 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.036116153 = 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(1/7)
- LCSH
- Information storage and retrieval systems
- RSWK
- Information Retrieval
Datenverarbeitung / Information Retrieval
- Subject
- Information Retrieval
Datenverarbeitung / Information Retrieval
Information storage and retrieval systems
-
Liebenau, J.; Backhouse, J.: Understanding information : an introduction (1990)
0.01
0.007376491 = product of:
0.051635437 = sum of:
0.051635437 = weight(_text_:retrieval in 7) [ClassicSimilarity], result of:
0.051635437 = score(doc=7,freq=4.0), product of:
0.109248295 = queryWeight, product of:
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.036116153 = queryNorm
0.47264296 = fieldWeight in 7, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.024915 = idf(docFreq=5836, maxDocs=44218)
0.078125 = fieldNorm(doc=7)
0.14285715 = coord(1/7)
- LCSH
- Information storage and retrieval systems
- Subject
- Information storage and retrieval systems