| 摘要 |
PROBLEM TO BE SOLVED: To provide a data server for acquiring a remote display system not influenced by the change of a data processing system/device and the change of an input/output function thereof. SOLUTION: This data server has a plurality of objects holding state data as attribute data. In the data server, the attribute data of an object retrieved by an object structure management means by using an object identifier are updated by the state data changed by an attribute data input/output means, and the attribute data of the object retrieved by the object structure management means based on the object identifier included in an attribute data acquisition demand from the remote display system are acquired and returned by the attribute data input/output means. COPYRIGHT: (C)2003,JPO
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