Rijsbergen, C.J. van: Information retrieval (1979)
0.04
0.041868135 = product of:
0.2512088 = sum of:
0.092800505 = weight(_text_:informatik in 856) [ClassicSimilarity], result of:
0.092800505 = score(doc=856,freq=4.0), product of:
0.1662844 = queryWeight, product of:
5.1024737 = idf(docFreq=730, maxDocs=44218)
0.032588977 = queryNorm
0.55808306 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.1024737 = idf(docFreq=730, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.1584083 = weight(_text_:monographien in 856) [ClassicSimilarity], result of:
0.1584083 = score(doc=856,freq=4.0), product of:
0.21725276 = queryWeight, product of:
6.666449 = idf(docFreq=152, maxDocs=44218)
0.032588977 = queryNorm
0.72914284 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
6.666449 = idf(docFreq=152, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.16666667 = coord(2/12)
- Classification
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
- RVK
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
