Rijsbergen, C.J. van: Information retrieval (1979)
0.12
0.11844188 = product of:
0.33558533 = sum of:
0.09014565 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
0.09014565 = score(doc=856,freq=4.0), product of:
0.14445709 = queryWeight, product of:
5.705423 = idf(docFreq=399, maxDocs=44218)
0.025319261 = 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)
0.05986285 = weight(_text_:buch in 856) [ClassicSimilarity], result of:
0.05986285 = score(doc=856,freq=4.0), product of:
0.11771862 = queryWeight, product of:
4.64937 = idf(docFreq=1149, maxDocs=44218)
0.025319261 = 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)
0.023562051 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.023562051 = score(doc=856,freq=12.0), product of:
0.056116775 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.025319261 = 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)
0.027514102 = product of:
0.055028204 = sum of:
0.055028204 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
0.055028204 = score(doc=856,freq=4.0), product of:
0.11286496 = queryWeight, product of:
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.025319261 = 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)
0.07947249 = weight(_text_:informationswissenschaft in 856) [ClassicSimilarity], result of:
0.07947249 = score(doc=856,freq=8.0), product of:
0.114055805 = queryWeight, product of:
4.504705 = idf(docFreq=1328, maxDocs=44218)
0.025319261 = 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)
0.055028204 = weight(_text_:bibliothekswesen in 856) [ClassicSimilarity], result of:
0.055028204 = score(doc=856,freq=4.0), product of:
0.11286496 = queryWeight, product of:
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.025319261 = 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)
0.3529412 = coord(6/17)
- 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
- 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