Rijsbergen, C.J. van: Information retrieval (1979)
0.03
0.029647266 = product of:
0.14230688 = sum of:
0.020690382 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.020690382 = score(doc=856,freq=12.0), product of:
0.049277436 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.022233428 = 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)
0.013187178 = weight(_text_:des in 856) [ClassicSimilarity], result of:
0.013187178 = score(doc=856,freq=2.0), product of:
0.061571203 = queryWeight, product of:
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.022233428 = queryNorm
0.2141777 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.008579958 = weight(_text_:der in 856) [ClassicSimilarity], result of:
0.008579958 = score(doc=856,freq=2.0), product of:
0.049664292 = queryWeight, product of:
2.2337668 = idf(docFreq=12875, maxDocs=44218)
0.022233428 = 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)
0.079158984 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
0.079158984 = score(doc=856,freq=4.0), product of:
0.12685111 = queryWeight, product of:
5.705423 = idf(docFreq=399, maxDocs=44218)
0.022233428 = 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)
0.020690382 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.020690382 = score(doc=856,freq=12.0), product of:
0.049277436 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.022233428 = 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)
0.20833333 = coord(5/24)
- 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]
- 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
