CIMS信息集成平台中的OO视图模型

OO VIEW MODEL FOR A CIMS INFORMATION INTEGRATION PLATFORM

为了满足ＣＩＭＳ环境中信息集成的需求，本文为信息集成平台设计了一种具有集成功能的面向对象视图模型Ｉ－ＶＩＥＷ．Ｉ－ＶＩＥＷ对ＯＯ模型进行了扩充，定义了虚属性、虚对象的概念；引入了输入与隐藏机制和类派生机制，允许对对象的状态和行为进行提炼，能够很好地解决各类集成问题，如模式映射。

For the requirments of information integration in CIMS enviroments, we design an object oriented view model I VIEW with integration functions for the information integration platform in this paper. The I VIEW extends object oriented data models, defines some conceps, such as virtual attribute and virtual object , introduces importing and hiding mechanisms, allowes the refinement of object states and behaviors. It can resolve problems of schema integration well , such as schema mapping, semantic conflicts and schema merging/reconstructing.