| 摘要 |
PROBLEM TO BE SOLVED: To provide a copy tracking technique for grasping a copy state in about real time.SOLUTION: The copy tracking system comprises: a file input/output log acquisition unit 1 for acquiring logs of file input/output of a system and recording the logs in a file attribute information DB; a file feature amount calculation unit 2 for calculating file feature amount for respective files after the acquisition of the logs of file input/output and recording the file feature amount in the file attribute information DB; and a file similarity calculation unit 3 for calculating file similarity of the respective files in the file attribute information DB with a file satisfying certain conditions and recording the file similarity in the file attribute information DB. |
