With the object exchange model (OEM) as the intermediate model, the view mechanism is discussed based on the layer relation model.

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。

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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.

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。

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