Lancaster, F.W.: Vocabulary control for information retrieval (1986)
0.13
0.12704818 = product of:
0.25409636 = sum of:
0.05795123 = weight(_text_:und in 1217) [ClassicSimilarity], result of:
0.05795123 = score(doc=1217,freq=8.0), product of:
0.1478073 = queryWeight, product of:
2.217899 = idf(docFreq=13141, maxDocs=44421)
0.06664293 = queryNorm
0.39207286 = fieldWeight in 1217, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
2.217899 = idf(docFreq=13141, maxDocs=44421)
0.0625 = fieldNorm(doc=1217)
0.19614512 = weight(_text_:headings in 1217) [ClassicSimilarity], result of:
0.19614512 = score(doc=1217,freq=4.0), product of:
0.32337824 = queryWeight, product of:
4.8524013 = idf(docFreq=942, maxDocs=44421)
0.06664293 = queryNorm
0.60655016 = fieldWeight in 1217, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.8524013 = idf(docFreq=942, maxDocs=44421)
0.0625 = fieldNorm(doc=1217)
0.5 = coord(2/4)
- Classification
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
- LCSH
- Subject headings
- RVK
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
- Subject
- Subject headings