【摘要】 分析了网格移动定位服务的技术定位。在分析当前移动定位服务应用模式不足的基础上,提出了网格移动定位服务的应用模式,并基于移动定位服务的产业链,构建了网格移动定位服务的体系结构。深入研究了面向网格移动定位服务的元数据服务、资源代理服务以及资源副本服务三个关键技术。实现了基于网格移动定位服务的公交导航服务,并阐述了网格移动定位服务的应用前景,故对未来移动定位服务的应用提供理论和技术参考。更多还原

【Abstract】 The technological niche of grid mobile location services(GMLS) is analyzed.By analyzing the shortcomings of the current application pattern for mobile location services,a grid-based application pattern and the architecture of GMLS based on the industry chain are built.The key technologies of metadata services,resource broker services and resource replication services are studied.One instance for bus navigation service based on GMLS is studied and the application foreground is presented.This paper provides a theoretical and technological reference for the future applications of mobile location services(MLS).更多还原