空间对象模型用于Web下数据源集成的研究

Research on Using Spatial Object Model to Integrate Data on Web

本文提出一种新的 Web数据模型 -空间对象模型 SOM,给出了形式化描述 .SOM扩展了半结构化对象模型OEM,采用空间类做框架 ,动态插入各种属性类 ,可达到即插即用的效果 ,适合于在 WWW下集成空间数据源 .本文还介绍了属性扩散指令 ,对象字典等技术 ,最后探讨了利用 SOM对空间数据源的进行集成的方法 .SOM可应用于 Web平台的 GIS,AM/ FM等系统的集成 .

This paper presents a new data model for web,Spatial Object Model (SOM),which extends semi-structured data model. SOM chooses spatial class as frame and can add property class dynamically.It has plug and play ability and is fit to intergrate data source on web.In addition,property spread instruction and object dictionary are also discussed. At the final section,an approach with SOM is given.SOM can be applied to such application on Web,e.g. GIS and AM/FM.