| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce a burden on a user accompanying document retrieval. Ž<P>SOLUTION: This document retrieval support device extracts a document file including a designated retrieval word as a candidate document. When the document file similar to a target document in contents among the candidate documents is selected as a similar document, a term included in the similar document is extracted as a candidate term, and each candidate term is ordered according to a rare degree of the candidate term in a prescribed document file group. The candidate terms positioned in prescribed order or above are presented to the user as retrieval words suitable to retrieve the target document. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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