| 摘要 |
PROBLEM TO BE SOLVED: To provide a program, a retrieval word updating method and a retrieval word updating device for updating a retrieval word even in a category where any document to be hit by a retrieval word does not exist. SOLUTION: When the designation of an arbitrary category for retrieving a desired document is inputted from an input part 10, the category is decided as the object of the update of a retrieval word by an update category decision part 12. Then, when a retrieval word for retrieving a desired document is inputted from the input part 10, the word is set as the retrieval information of the category decided by the update category decision part 12 by a category retrieval information setting part 14. COPYRIGHT: (C)2006,JPO&NCIPI
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