| 摘要 |
PROBLEM TO BE SOLVED: To provide a data management device capable of using easily alternative data, even when one part gets impossible to be used out of a plurality of data having the same content. SOLUTION: Each data management device 1 manages the data imparted with an identifier within a prescribed numerical range, out of the data existing distributedly on a computer network and imparted with the identifier. A message processing part 110 executes processing according to a content of a message containing information of the data of a processing object. A data management table storage part 13 stores information of the data imparted with an identifier within the prescribed numerical range as a data management table. The same content of data is controlled by the same data controller 1 by imparting the same identifier to the same content of data, and the alternative data are easily usable thereby even when the one part gets impossible to be used out of the plurality of data having the same content. COPYRIGHT: (C)2008,JPO&INPIT
|
