在任何信息系统，数据资源必须有组织，有条理，在一些合乎逻辑的方式，使他们能够得到有效的管理，检索快，并以有效的方法处理。
In any information system, data resources must be organized and structured in some logical manner so that they can be managed effectively, retrieved quickly, and processed effectively.
本质上属松散一致性的数据耦合机制，可在任何分布式信息系统或者大型异构信息系统之间共享资源。
The DISP, which essentially belongs to Loose Consistency Data Couple Mechanism, can be used in both distributed information systems and large heterogenous information systems.
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