这些数据模型表示COATS业务流程要使用的业务对象，用于在组件间进行通信。
These data models represent business objects to be used by the COATS business processes and for communication across components.
从本质上说，Web服务提供了一个公共的通信模型；但仍然缺少公共的数据模型。
In essence, Web services provides a common communication model; however, a common data model is still missing.
介绍了地理信息系统的构成及其数据模型，探讨了在通信领域中如何应用地理信息系统，最后给出了一个应用实例。
This paper introduces the structure and data model of geography information system with its application to the telecommunication field and, finally, presents a practical example.
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