| 摘要 |
PROBLEM TO BE SOLVED: To perform processing for forming a new structured document by combining a plurality of retrieval results without placing a load on client-side application processing. SOLUTION: A retrieval part 541 acquires, by retrieval processing according to a retrieval request made from a client, a structured document which satisfies a retrieval condition shown by the retrieval request from a database 42. An inquiry expression determination part 543 determines whether an inquiry expression is embedded in a first retrieval result. An inquiry expression execution part 542 executes the inquiry expression when the inquiry expression is embedded in the first retrieval result. A substitution part 544 substitutes the inquiry expression embedded in the first retrieval result by the execution result of the inquiry expression, and takes a second retrieval result in which the inquiry expression is substituted by the execution result of the inquiry expression as a retrieval result to the retrieval request. COPYRIGHT: (C)2008,JPO&INPIT
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