PROBLEM TO BE SOLVED: To present a much more proper retrieval phrase to a user under the consideration of the versatility of expressions by enabling the user to quickly acquire his or her desired information by using a computer.;SOLUTION: This retrieval candidate phrase presenting device for presenting a retrieval candidate phrase for retrieval to a user is configured to store association information by associating at least an object referenced by the user with one or more retrieval phrases as a basis of the retrieval. Then, this retrieval candidate phrase presenting device is configured to extract a reference object whose reference frequency by the user is first predetermined frequency or more from among a series of stored reference objects, and to extract the reference object including a predetermined retrieval word accepted in the past in the respective association information from among the extracted reference objects, and to set a retrieval candidate phrase with respect to the predetermined retrieval phrase based on the extraction result, and to present it to the user.;COPYRIGHT: (C)2009,JPO&INPIT
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