Lancaster, F.W.: Vocabulary control for information retrieval (1986)
0.02
0.021588352 = product of:
0.097147584 = sum of:
0.07616561 = weight(_text_:software in 217) [ClassicSimilarity], result of:
0.07616561 = score(doc=217,freq=4.0), product of:
0.15359253 = queryWeight, product of:
3.9671519 = idf(docFreq=2274, maxDocs=44218)
0.03871607 = queryNorm
0.49589399 = fieldWeight in 217, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.9671519 = idf(docFreq=2274, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.020981973 = product of:
0.041963946 = sum of:
0.041963946 = weight(_text_:22 in 217) [ClassicSimilarity], result of:
0.041963946 = score(doc=217,freq=2.0), product of:
0.13557708 = queryWeight, product of:
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.03871607 = queryNorm
0.30952093 = fieldWeight in 217, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
3.5018296 = idf(docFreq=3622, maxDocs=44218)
0.0625 = fieldNorm(doc=217)
0.5 = coord(1/2)
0.22222222 = coord(2/9)
- Classification
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme
- Date
- 22. 4.2007 10:07:51
- RVK
- ST 271 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme / Einzelne Datenbanksprachen und Datenbanksysteme