Inventor
KAWASHIMO YASUSHI
JP5 patents
Patents
5 patentsUS6473754B1Oct 29, 2002
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
HITACHI LTD144 citations98
US7039636B2May 2, 2006
Document retrieval method and document retrieval system
HITACHI LTD23 citations92
US6496820B1Dec 17, 2002
Method and search method for structured documents
HITACHI LTD28 citations92
US6003043ADec 14, 1999
Text data registering and retrieving system including a database storing a plurality of document files therin and a plural-character occurrence table for a text index and an update text buffer to retrieve a target document in cooperation with the database
HITACHI LTD46 citations92
US6826567B2Nov 30, 2004
Registration method and search method for structured documents
HITACHI LTD9 citations73