| 摘要 |
An input receiving unit receives a query to a database from a user, creates a user query for searching information in accordance with the query of the user. A query generating unit generates a database query for actually searching in accordance with the user query or a re-search query for re-searching information. A searching unit executes a search of information in accordance with the database query. A condition setting unit has an analyzing condition and an output condition. An analyzing unit analyzes an information searching result in accordance with the analyzing condition supplied from the condition setting unit. An output control unit outputs an information analyzing result as output information in accordance with the output condition supplied from the condition setting unit, creates the re-search query by using the information analyzing result, and supplies the re-search query to the query generating unit.
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