| 摘要 |
PROBLEM TO BE SOLVED: To provide an information processing device capable of sharing information with the other information processing device connected via a network without making use of a centralized server. SOLUTION: Shared information shared with the other information processing devices 10 connected with the network is memorized in a memory 28 of respective information processing devices 10(A, B, C). When at least a part of the shared information memorized in the memory 28 is changed in the information processing device 10(A), a change request message including change information in order to change the shared information is transmitted to the other information processing device 10(B) via the network 16. The information processing device 10(B) receiving the change request message transmits the received change request message to the other information processing device 10(C). Thus, the change information is transmitted to each information processing device 10 which is connected with the network 16 and shares the shared information. The information processing device 10 received the change information changes the shared information on the basis of the change information. COPYRIGHT: (C)2007,JPO&INPIT
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