INFORMATION PROCESSING DEVICE FOR DETECTING AN ILLEGAL STORED DOCUMENT,ILLEGAL STORED DOCUMENT DETECTION METHOD AND RECORDING MEDIUM

摘要

The present invention provides an information processing device which can detect illegal authorization setting efficiently in a short period of time. The information processing device includes a database which stores electronic documents, a means for storing rank values of users of the database, a means for storing the authorization degree of an electronic document or an electronic document group and authorization degrees of respective document classes of the database, a means for analyzing the electronic documents and combining together documents having mutual similarity in a degree equal to or higher than a certain level into a similar document group, and a means for analyzing authorization degrees of respective document classes in the database with reference to the rank values of the users, and thus detecting an electronic document or an electronic document group whose authorization setting is improper.