Poetzsch, E.: Information Retrieval : Einführung in Grundlagen und Methoden (2001)
0.07
0.072420456 = product of:
0.26252416 = sum of:
0.06726365 = weight(_text_:allgemeines in 1655) [ClassicSimilarity], result of:
0.06726365 = score(doc=1655,freq=4.0), product of:
0.12575385 = queryWeight, product of:
5.705423 = idf(docFreq=399, maxDocs=44218)
0.022041108 = queryNorm
0.5348834 = fieldWeight in 1655, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
5.705423 = idf(docFreq=399, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.044667635 = weight(_text_:buch in 1655) [ClassicSimilarity], result of:
0.044667635 = score(doc=1655,freq=4.0), product of:
0.102477275 = queryWeight, product of:
4.64937 = idf(docFreq=1149, maxDocs=44218)
0.022041108 = queryNorm
0.43587846 = fieldWeight in 1655, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.64937 = idf(docFreq=1149, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.021532493 = weight(_text_:und in 1655) [ClassicSimilarity], result of:
0.021532493 = score(doc=1655,freq=18.0), product of:
0.048851185 = queryWeight, product of:
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.022041108 = queryNorm
0.4407773 = fieldWeight in 1655, product of:
4.2426405 = tf(freq=18.0), with freq of:
18.0 = termFreq=18.0
2.216367 = idf(docFreq=13101, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.020530095 = product of:
0.04106019 = sum of:
0.04106019 = weight(_text_:bibliothekswesen in 1655) [ClassicSimilarity], result of:
0.04106019 = score(doc=1655,freq=4.0), product of:
0.098252036 = queryWeight, product of:
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.022041108 = queryNorm
0.41790676 = fieldWeight in 1655, product of:
2.0 = tf(freq=4.0), with freq of:
4.0 = termFreq=4.0
4.457672 = idf(docFreq=1392, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.5 = coord(1/2)
0.05929968 = weight(_text_:informationswissenschaft in 1655) [ClassicSimilarity], result of:
0.05929968 = score(doc=1655,freq=8.0), product of:
0.09928869 = queryWeight, product of:
4.504705 = idf(docFreq=1328, maxDocs=44218)
0.022041108 = queryNorm
0.5972451 = fieldWeight in 1655, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
4.504705 = idf(docFreq=1328, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.022411045 = weight(_text_:des in 1655) [ClassicSimilarity], result of:
0.022411045 = score(doc=1655,freq=8.0), product of:
0.06103861 = queryWeight, product of:
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.022041108 = queryNorm
0.36716178 = fieldWeight in 1655, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.022411045 = weight(_text_:des in 1655) [ClassicSimilarity], result of:
0.022411045 = score(doc=1655,freq=8.0), product of:
0.06103861 = queryWeight, product of:
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.022041108 = queryNorm
0.36716178 = fieldWeight in 1655, product of:
2.828427 = tf(freq=8.0), with freq of:
8.0 = termFreq=8.0
2.7693076 = idf(docFreq=7536, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.004408534 = product of:
0.008817068 = sum of:
0.008817068 = weight(_text_:1 in 1655) [ClassicSimilarity], result of:
0.008817068 = score(doc=1655,freq=2.0), product of:
0.054144043 = queryWeight, product of:
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.022041108 = queryNorm
0.16284466 = fieldWeight in 1655, product of:
1.4142135 = tf(freq=2.0), with freq of:
2.0 = termFreq=2.0
2.4565027 = idf(docFreq=10304, maxDocs=44218)
0.046875 = fieldNorm(doc=1655)
0.5 = coord(1/2)
0.27586207 = coord(8/29)
- Classification
- AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
- Content
- Teil 1: Grundlagen des Information Retrieval: Schwerpunkte des Information Retrieval mit Relevanz für die praktische Recherchedurchführung: Arbeitsschritte einer Recherche, Voraussetzungen für Online-Recherchen, Überblick über Arten von Datenbanken und über Hosts, Benutzerhilfen, Softwaretools, Retrievalsprachen und Kosten; Teil 2: Methoden des Information Retrieval: Einführung in die Methoden des Information Retrieval anhand ausgewählter Beispiele zu Retrievalsprachen, windows-basierten Retrievaltools und Web-Search-Möglichkeiten mittels hostspezifischer Suchoberflächen
- RVK
- AN 95000 Allgemeines / Buch- und Bibliothekswesen, Informationswissenschaft / Informationswissenschaft / Informationspraxis / Bibliographische Erfassung, Suchpraxis
ST 270 Informatik / Monographien / Software und -entwicklung / Datenbanken, Datenbanksysteme, Data base management, Informationssysteme
- Series
- Materialien zur Information und Dokumentation; Bd.5