INFORMATION PROCESSING DEVICE FOR DETECTING AN ILLEGAL STORED DOCUMENT,ILLEGAL STORED DOCUMENT DETECTION METHOD AND RECORDING MEDIUM
First Claim
1. An information processing device, comprising:
- a database which includes a hierarchical structure and stores electronic documents;
a user information management unit which stores rank values of users of said database;
a class/document information management unit which stores authorization degrees of electronic documents or of electronic document groups, and authorization degrees of respective document classes in said database where the electronic documents or document groups are stored;
a document information control unit which analyzes the electronic documents stored in said database and combines together said electronic documents having mutual similarity in a degree equal to or higher than a certain level into a similar document group; and
a document-class information control unit which analyzes the authorization degrees of respective document classes in said database with reference to said rank values of database users, and thus detects an electronic document or an electronic document group whose authorization setting is improper.
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Abstract
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.
15 Citations
10 Claims
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1. An information processing device, comprising:
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a database which includes a hierarchical structure and stores electronic documents; a user information management unit which stores rank values of users of said database; a class/document information management unit which stores authorization degrees of electronic documents or of electronic document groups, and authorization degrees of respective document classes in said database where the electronic documents or document groups are stored; a document information control unit which analyzes the electronic documents stored in said database and combines together said electronic documents having mutual similarity in a degree equal to or higher than a certain level into a similar document group; and a document-class information control unit which analyzes the authorization degrees of respective document classes in said database with reference to said rank values of database users, and thus detects an electronic document or an electronic document group whose authorization setting is improper. - View Dependent Claims (2, 3, 4, 5)
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6. An illegal stored document detection method, wherein,
a computer analyzes electronic documents stored in a database having a hierarchical structure, records the electronic documents having mutual similarity in a degree equal to or higher than a certain level into a similar document list, classifies the similar document list into similar document groups according to said hierarchical structure of the database, analyzes an authorization degree of each document class in said database by referring to rank values of database users stored in a user information management unit, and stores the result in a class/document information management unit, refers to, at the class/document information management unit, authorization degrees of respective document classes in which similar document groups are stored, and detects an electronic document or an electronic document group whose authorization setting is improper.
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10. A non-volatile recording medium storing a program for causing a computer to execute the processing which comprises:
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analyzing electronic documents stored in a database having a hierarchical structure, recording the electronic documents having mutual similarity in a degree equal to or higher than a certain level into a similar document list, classifying the similar document list into similar document groups according to said hierarchical structure of the database, analyzing an authorization degree of each document class in said database by referring to rank values of database users stored in a user information management unit, and storing the result in a class/document information management unit; and referring to, at the class/document information management unit, authorization degrees of respective document classes in which similar document groups are stored, and detecting an electronic document or an electronic document group whose authorization setting is improper, and outputting a message of urging a user to check it.
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Specification