Rijsbergen, C.J. van: Information retrieval (1979)
0.04
0.0387974 = product of:
0.20045325 = sum of:
0.019931482 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.019931482 = score(doc=856,freq=12.0), product of:
0.047469996 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.02141793 = 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)
0.038008053 = weight(_text_:literatur in 856) [ClassicSimilarity], result of:
0.038008053 = score(doc=856,freq=2.0), product of:
0.102594726 = queryWeight, product of:
4.7901325 = idf(docFreq=998, maxDocs=44218)
0.02141793 = queryNorm
0.3704679 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.7901325 = idf(docFreq=998, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.038008053 = weight(_text_:literatur in 856) [ClassicSimilarity], result of:
0.038008053 = score(doc=856,freq=2.0), product of:
0.102594726 = queryWeight, product of:
4.7901325 = idf(docFreq=998, maxDocs=44218)
0.02141793 = queryNorm
0.3704679 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
4.7901325 = idf(docFreq=998, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.08115189 = weight(_text_:einzelne in 856) [ClassicSimilarity], result of:
0.08115189 = score(doc=856,freq=4.0), product of:
0.1260605 = queryWeight, product of:
5.885746 = idf(docFreq=333, maxDocs=44218)
0.02141793 = queryNorm
0.64375347 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.885746 = idf(docFreq=333, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.0034222968 = weight(_text_:e in 856) [ClassicSimilarity], result of:
0.0034222968 = score(doc=856,freq=2.0), product of:
0.03078549 = queryWeight, product of:
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.02141793 = queryNorm
0.1111659 = fieldWeight in 856, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
1.43737 = idf(docFreq=28552, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.019931482 = weight(_text_:und in 856) [ClassicSimilarity], result of:
0.019931482 = score(doc=856,freq=12.0), product of:
0.047469996 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.02141793 = 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)
0.19354838 = coord(6/31)
- 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
- Language
- e
- 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
- Theme
- Grundlagen u. Einführungen: Allgemeine Literatur