| 摘要 |
PROBLEM TO BE SOLVED: To constitute a file sharing system of a semantic information network by making it possible to perform access to data stored by certain terminal equipment, and to perform continuous operations even when the terminal equipment logs out without performing any regular procedure from the network. SOLUTION: Terminal equipment 201 and 202 connected through a semantic information network (SIONet) 11 are made to function as master peers in each of which a file original is stored or a slave peer in which the reproduction file of the file original is stored. When update processing is performed to the stored file original or reproduction file, the master peer and the slave peer update the reproduction file of the slave peer or the file original of the master peer. When the maser peer logs out from the network, the update processing is executed to the reproduction file, and when the master peer logs in again, the reproduction file is rearranged in the master peer. COPYRIGHT: (C)2005,JPO&NCIPI
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