地理信息服务由于其提供的是空间型信息这一特点，已成为信息服务业中的一个重要组成部分。
Geographic information service has been the important component in the industry of information service since it provides spatial information.
笔者分析了应用于空间定位服务（LBS）的分布式移动地理信息系统（DM-GIS）的原理、特点和有关关键技术，提出了应用DM-GIS技术的解决方案。
This paper analyzes the principle, characteristics and key technologies of DM-GIS, which is used in location based service (LBS), presents the efficient technological scheme for application.
REST所承诺的这种服务的高可扩展性和简单部署方式尤为适合地理空间信息的应用。
The high scalability and simple deployment of Web Services which REST promises are particularly suitable for geospatial information application.
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