| 摘要 |
PROBLEM TO BE SOLVED: To provide techniques that search a file which is browsed in the past, calculate a score of importance from the detailed browsing history, and find a file which seems important. SOLUTION: A search device 10 comprises an operation history acquisition part 11 that receives operation history information on browsed files, accumulates the files in a file storage part, accumulates the operation history in an operation history database 13, and accumulates file attribute information in a file attribute information database 14, and a search control part 18 that receives a search request and search requirements from an information search terminal 30, and transmits a search result created based on the file corresponding to an identifier selected by a temporally peripheral file extraction part 16, to the information search terminal 30. COPYRIGHT: (C)2007,JPO&INPIT
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