Rijsbergen, C.J. van: Information retrieval (1979)
0.27
0.26634365 = product of:
0.56598026 = sum of:
0.111841485 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
0.111841485 = score(doc=856,freq=4.0), product of:
0.17922434 = queryWeight, product of:
5.705423 = idf(docFreq=399, maxDocs=44218)
0.03141298 = queryNorm
0.62403065 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.705423 = idf(docFreq=399, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.07427035 = weight(_text_:buch in 856) [ClassicSimilarity], result of:
0.07427035 = score(doc=856,freq=4.0), product of:
0.14605057 = queryWeight, product of:
4.64937 = idf(docFreq=1149, maxDocs=44218)
0.03141298 = queryNorm
0.5085249 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.64937 = idf(docFreq=1149, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.029232854 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.029232854 = score(doc=856,freq=12.0), product of:
0.069622695 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.03141298 = queryNorm
0.41987535 = fieldWeight in 856, product of:
3.4641016 = tf(freq=12.0), with freq of:
12.0 = termFreq=12.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.034136068 = product of:
0.068272136 = sum of:
0.068272136 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
0.068272136 = score(doc=856,freq=4.0), product of:
0.14002877 = queryWeight, product of:
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.03141298 = queryNorm
0.4875579 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.5 = coord(1/2)
0.098599546 = weight(_text_:informationswissenschaft in 856) [ClassicSimilarity], result of:
0.098599546 = score(doc=856,freq=8.0), product of:
0.14150621 = queryWeight, product of:
4.504705 = idf(docFreq=1328, maxDocs=44218)
0.03141298 = queryNorm
0.696786 = fieldWeight in 856, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
4.504705 = idf(docFreq=1328, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.068272136 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
0.068272136 = score(doc=856,freq=4.0), product of:
0.14002877 = queryWeight, product of:
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.03141298 = queryNorm
0.4875579 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.13750541 = weight(_text_:datenverarbeitung in 856) [ClassicSimilarity], result of:
0.13750541 = score(doc=856,freq=4.0), product of:
0.19872634 = queryWeight, product of:
6.326249 = idf(docFreq=214, maxDocs=44218)
0.03141298 = queryNorm
0.6919335 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
6.326249 = idf(docFreq=214, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.012122381 = weight(_text_:der in 856) [ClassicSimilarity], result of:
0.012122381 = score(doc=856,freq=2.0), product of:
0.07016928 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.03141298 = queryNorm
0.17275909 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.47058824 = coord(8/17)
- Classification
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
- Footnote
- Text des Buches auch auf der Beilage CD von: Belew, R.K.: Finding out about: a cognitive perspective on search engine technology and the WWW. Cambridge: Cambridge University Press 2001. XXVII, 356 S. + 1 CD-ROM. ISBN 0-521-63028-2. [Sign.: 63 TWD 113]
- RSWK
- Datenverarbeitung / Information Retrieval
- RVK
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
- Subject
- Datenverarbeitung / Information Retrieval
