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Document ranking using signature files
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Document ranking using signature files

Autor Dik Lun Lee
Vydání/formát:   Článek : English
Zdroj:Annual review of OCLC research, July 1992-June 1993
Databáze:WorldCat
Shrnutí:
This project investigates a technique called TF-partitioned signature file, for supporting document ranking with signature files. Multiple signature files are employed, each of which corresponds to a particular term frequency, to represent terms with different term frequencies. Words with the same term frequency in a document are grouped together and hased into the signature file corresponding to that term  Přečíst více...
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Detaily

Typ dokumentu: Article
Všichni autoři/tvůrci: Dik Lun Lee
OCLC číslo: 56018553
Poznámky: Caption title.
Popis: pages 11-14.
Odpovědnost: principal investigator, Dik Lun Lee.

Anotace:

This project investigates a technique called TF-partitioned signature file, for supporting document ranking with signature files. Multiple signature files are employed, each of which corresponds to a particular term frequency, to represent terms with different term frequencies. Words with the same term frequency in a document are grouped together and hased into the signature file corresponding to that term frequency. This eliminates the need to explicitly record the term frequency for each word. The effect of false drops, if not eliminated in the search process, on retrieval effectiveness is studied.

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Propojená data


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