| 摘要 |
<P>PROBLEM TO BE SOLVED: To perform quantitative candidate specification of an information leakage source and specification of a leakage candidate. <P>SOLUTION: A leaked information tracking system includes: a knowledge data collection and registration unit 112 for respectively collecting stored data from a technical document data server 30 and a technical information management system 40 which are mutually connected through a company's internal network 20, converting the collected data into text data and registering the text data as knowledge data; a knowledge database 111 for storing knowledge data; a knowledge database retrieval unit 113 for retrieving the knowledge database 111 on the basis of an externally input retrieval condition and for output of an access log including retrieval user's identification information; an access log storage unit 114 for storing access logs; a leakage source candidate information specification unit 121 for specifying leakage source candidate information while referring to the knowledge database 111 by text data of leaked information; and an access log tracking unit 123 for tracking an access log on the basis of the specified leakage source candidate information and extracting a user having probability of information leakage. <P>COPYRIGHT: (C)2011,JPO&INPIT |
