| 摘要 |
PROBLEM TO BE SOLVED: To provide a search technology for providing first search condition setting close to an image of a user and simplifying next search condition setting based on a search result. SOLUTION: A search format for letting a user input data for search including a center keyword presenting a search theme, a primary parameter for determining a concept relating to it, and a restriction item relating to output of the search result is provided to the user. The data for search input in the search format is received, and a plurality of primary search results are output by primarily searching under an AND condition with the center keyword on the primary parameter of the data for search. A secondary parameter is created by filtering which uses the restriction item to the primary search results. A concept distance between a concept formed by the center keyword and each primary parameter, and a concept by each secondary parameter is calculated. The calculated concept distance is topology graph output data which can be displayed as a topology graph. COPYRIGHT: (C)2007,JPO&INPIT
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