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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-
Γλώσσαen-
Μέγεθος5 pagesen
ΤίτλοςDesign of a signature file method that accounts for non-uniform occurrence and query frequenciesen
ΔημιουργόςChristodoulakis Stavrosen
ΔημιουργόςΧριστοδουλακης Σταυροςel
ΔημιουργόςChristos Faloutsosen
ΠερίληψηIn 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
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-05-
Ημερομηνία Δημοσίευσης1985-
Θεματική ΚατηγορίαFile management (Computer science)en
Θεματική ΚατηγορίαFile systems (Computer science)en
Θεματική ΚατηγορίαOrganization, File (Computer science)en
Θεματική Κατηγορίαfile organization computer scienceen
Θεματική Κατηγορίαfile management computer scienceen
Θεματική Κατηγορίαfile systems computer scienceen
Θεματική Κατηγορίαorganization file computer scienceen
Βιβλιογραφική ΑναφοράC. 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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