Rijsbergen, C.J. van: Information retrieval (1979)
0.03
0.027080126 = product of:
0.14442734 = sum of:
0.09484607 = weight(_text_:allgemeines in 856) [ClassicSimilarity], result of:
0.09484607 = score(doc=856,freq=4.0), product of:
0.15198945 = queryWeight, product of:
5.705423 = idf(docFreq=399, maxDocs=44218)
0.02663947 = 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)
0.024790635 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.024790635 = score(doc=856,freq=12.0), product of:
0.059042845 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.02663947 = 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)
0.024790635 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.024790635 = score(doc=856,freq=12.0), product of:
0.059042845 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.02663947 = 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)
0.1875 = coord(3/16)
- 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