Inventor
IIJIMA MICHIO
JP6 patents
Patents
6 patentsUS7711726B2May 4, 2010
Method, system and program for creating an index
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US7440938B2Oct 21, 2008
Method and apparatus for calculating similarity among documents
HITACHI LTD17 citations81
US7689545B2Mar 30, 2010
System and method to enable parallel text search using in-charge index ranges
HITACHI LTD4 citations60
US10423613B2Sep 24, 2019
Data search method and data search system
HITACHI LTD0 citations40
US10394870B2Aug 27, 2019
Search method
HITACHI LTD0 citations40
US10628488B2Apr 21, 2020
Document retrieval system and retrieval method
HITACHI LTD0 citations39