| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it hard to make an illicit decision on permission when permission of use of shared electronic data is decided. <P>SOLUTION: When the permission of use of the shared electronic data is decided, respective use permission deciding nodes 2A to 2C divide a use rule and selects arbitrary nodes 3A and 3B, 3C and 3D, and 3E and 3F as many as the divided use rules as subcontractor nodes. The respective subcontractor nodes 3A to 3F acquire the divided use rules, acquire values set as condition parameters thereof, decide whether the divided use rules are fulfilled by using the values, and reply results to prime contractor use permission decision nodes 2A to 2C. The respective use permission decision nodes 2A to 2C make permission decisions based on partial permission decision results of the subcontractor nodes 3A to 3F, and a user node 1 decides that the use is permitted based on the number and rate of permission decision results wherein the permission is obtained. <P>COPYRIGHT: (C)2008,JPO&INPIT |
