Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2007-06-12
2007-06-12
Al-Hashemi, Sana (Department: 2164)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000
Reexamination Certificate
active
10206595
ABSTRACT:
Similar document retrieving method and system for retrieving similar documents from a document database storing plural documents written in different languages with high accuracy while suppressing retrieval noise even when difference is found in the number of registered documents in dependence on the species of description languages. Statistical information concerning the registration-subjected documents is collected on a language-by-language basis upon registration thereof. Upon retrieval of documents similar to a query document, weights of words extracted from the query document are taken into account and on a language-by-language basis by referencing the statistical information.
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U.S. Appl. No. 09/320,558, filed by T. Matsubayashi et al on May 27, 1999 under the title “Method and System for Extracting Characteristic String, Method and System for Searching for Relevant Document Using the Same, Storage Medium for Storing Characteristic String Extraction Program, and Storage Medium for Storing Relevant Document Searching Program”.
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Inaba Yasuhiko
Matsubayashi Tadataka
Sato Yoshifumi
Tada Katsumi
Yamamoto Shin′ ya
Al-Hashemi Sana
Hitachi , Ltd.
Mattingly ,Stanger ,Malur & Brundidge, P.C.
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