| 摘要 |
PROBLEM TO BE SOLVED: To properly guide a user so as to obtain a further precise retrieval result. SOLUTION: This method comprises steps of specifying, from input data of a retrieval condition by the user, a retrieval word included in the retrieval condition; acquiring, with respect to each of the retrieval word and synonyms thereof, evaluation data that are at least either a score based on the appearance frequency or the number of documents to be retrieved including the retrieval word or synoniums concerned; presenting evaluation data corresponding to the retrieval word and synoniums thereof to the user in a mode selectable of one or more retrieval words and synonyms thereof; and presenting data related to documents to be retrieved which include the retrieval word or synonym selected by the user. Accordingly, since the retrieval can be performed not only simply for the retrieval word included in the retrieval condition, but also including the synonyms thereof, and the evaluation data showing the relevancy with the documents to be retrieved is presented to guide the user for selection of the word, a proper retrieval for the user can be performed. COPYRIGHT: (C)2005,JPO&NCIPI
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