| 摘要 |
PROBLEM TO BE SOLVED: To reduce file capacity while securing easiness of an audit in an audio trail obtained in an information system which is operated for a long period in a high-traffic environment. SOLUTION: Audit trail data corresponding to an event generated in an information system are divided into a common part and a specific part. When the same information as the divided common part is stored in a common part file, information indicating the number of executions of the data is stored. When the same information as the divided common part is not stored in the common part file, the common part is stored in the common part file and the divided specific part is stored in a specific part file. COPYRIGHT: (C)2010,JPO&INPIT
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