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Design of a signature file method that accounts for non-uniform occurrence and query frequencies

Christodoulakis Stavros, Christos Faloutsos

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URIhttp://purl.tuc.gr/dl/dias/C1D8CC34-B138-4BF0-AD56-C5D746E58328-
Languageen-
Extent5 pagesen
TitleDesign of a signature file method that accounts for non-uniform occurrence and query frequenciesen
CreatorChristodoulakis Stavrosen
CreatorΧριστοδουλακης Σταυροςel
CreatorChristos Faloutsosen
Content SummaryIn this paper we study a variation of the signature file access method for text and attribute retrieval. According to this method, the documents (or records) are stored sequentially in the "text file". Abstractions ("signatures") of the documents (or records) are stored in the "signature file". The latter serves as a filter on retrieval: It helps discarding a large number of nonqualifying documents. We pro-pose a signature extraction method that takes into account the query and occurrence frequencies, thus achieving better performance. The model we present is general enough, so that results can be applied not only for text retrieval but also for files with formatted data.en
Type of ItemΠλήρης Δημοσίευση σε Συνέδριοel
Type of ItemConference Full Paperen
Licensehttp://creativecommons.org/licenses/by/4.0/en
Date of Item2015-10-05-
Date of Publication1985-
SubjectFile management (Computer science)en
SubjectFile systems (Computer science)en
SubjectOrganization, File (Computer science)en
Subjectfile organization computer scienceen
Subjectfile management computer scienceen
Subjectfile systems computer scienceen
Subjectorganization file computer scienceen
Bibliographic CitationC. Faloutsos ,S. Christodoulakis ,"Design of a signature file method that accounts for non-uniform occurrence and query frequencies ", in 11th international conference on Very Large Data Bases ,1984,pp.165-170 en

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