-
Rijsbergen, C.J. van: Information retrieval (1979)
0.01
0.010589892 = product of:
0.031769674 = sum of:
0.031769674 = product of:
0.06353935 = sum of:
0.06353935 = weight(_text_:management in 856) [ClassicSimilarity], result of:
0.06353935 = score(doc=856,freq=4.0), product of:
0.17235184 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.051133685 = queryNorm
0.36866072 = fieldWeight in 856, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.0546875 = fieldNorm(doc=856)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- 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
-
Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001)
0.01
0.009077052 = product of:
0.027231153 = sum of:
0.027231153 = product of:
0.054462306 = sum of:
0.054462306 = weight(_text_:management in 1655) [ClassicSimilarity], result of:
0.054462306 = score(doc=1655,freq=4.0), product of:
0.17235184 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.051133685 = queryNorm
0.31599492 = fieldWeight in 1655, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- Classification
- ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
- RVK
- ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
-
Gödert, W.; Lepsky, K.; Nagelschmidt, M.: Informationserschließung und Automatisches Indexieren : ein Lehr- und Arbeitsbuch (2011)
0.01
0.007564209 = product of:
0.022692626 = sum of:
0.022692626 = product of:
0.045385253 = sum of:
0.045385253 = weight(_text_:management in 2550) [ClassicSimilarity], result of:
0.045385253 = score(doc=2550,freq=4.0), product of:
0.17235184 = queryWeight, product of:
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.051133685 = queryNorm
0.2633291 = fieldWeight in 2550, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
3.3706124 = idf(docFreq=4130, maxDocs=44218)
0.0390625 = fieldNorm(doc=2550)
0.5 = coord(1/2)
0.33333334 = coord(1/3)
- LCSH
- Database management
- Subject
- Database management