| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a document retrieval apparatus for outputting a document related to a conference as a retrieved result whether or not a time zone specified as a retrieval condition includes the preparation period or updating period of the document when a user retrieves the document related to the conference. Ž<P>SOLUTION: The document retrieval apparatus 100 includes: a retrieval condition acquisition part 102 for acquiring the retrieval condition of the document including information specifying a time period; and a document retrieval part 104 for outputting the document related to the conference executed in the specified time period, of the documents stored in a storage part 140, as a retrieved result for the retrieval condition. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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