| 摘要 |
PROBLEM TO BE SOLVED: To provide a save instruction device for making a node device which has made a reservation for the purchase of new content before disclosure save the new content in inputting the new content in a system. SOLUTION: The save instruction device included in an information sharing system is provided with: a plurality of node devices communicatively connected through a network; the save instruction device for making the plurality of node devices perform the distributed storage of a plurality of pieces of shared information shared by the plurality of node devices. This save instruction device is provided with: a means for acquiring the shared information to be input to the information sharing system, and to be shared by the plurality of node devices; a means for acquiring preliminary reservation information including at least one or more pieces of node device identification information for identifying the node device which has made a reservation for the purchase of the acquired shared information; and a means for transmitting the acquired shared information and the storage instruction information for instructing the storage of the shared information to the node device to be identified based on the node device identification information included in the preliminary reservation information. COPYRIGHT: (C)2008,JPO&INPIT
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