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Document ranking using signature files
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Document ranking using signature files

作者: Dik Lun Lee
版本/格式:   文章 : 英語
刊登於:Annual review of OCLC research, July 1992-June 1993
資料庫:WorldCat
提要:
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  再讀一些...
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文件類型: 文章
所有的作者/貢獻者: Dik Lun Lee
OCLC系統控制編碼: 56018553
注意: Caption title.
描述: pages 11-14.
責任: principal investigator, Dik Lun Lee.

摘要:

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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