以对象交换模型作为中间模型，讨论了基于层次关系模型的视图机制，提出了一个增量维护的算法。
With the object exchange model (OEM) as the intermediate model, the view mechanism is discussed based on the layer relation model.
为了对WEB上不规则的动态信息按照数据库的方式集成和查询，本文采用对象交换模型(OEM)建立WEB上信息模型。
In order to integrate and query irregular and dynamic information on WEB in a database fashion, Object Exchange model (OEM) is used to construct the information model of WEB.
NIEM模型也不为在交换中装配所有对象而定义特定的消息类型或结构。
The NIEM model also does not define specific message types or structures for assembling all of the objects in an exchange.
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