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	Component-based WebGIS and its spatial cache framework
	Luo, YW ; Wang, XL ; Xu, ZQ
	2004
英文摘要	Component model is a primary approach to deepen the functions of WebGIS. A component-based WebGIS system Geo-Union is introduced. Geo-Union has a multi-level Client/Server architecture, including four layers: application layer, component layer, service layer and storage layer, where service layer has different units to provide both client services and server services. Also, component partition and web mode of Geo-Union is discussed. After that, a spatial cache framework, including spatial database cache, network spatial cache and spatial data proxy server, is designed in Geo-Union to improve spatial data access performance in different situations in network environment.; Computer Science, Information Systems; Computer Science, Theory & Methods; SCI(E); CPCI-S(ISTP); 1
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/292269]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Luo, YW,Wang, XL,Xu, ZQ. Component-based WebGIS and its spatial cache framework. 2004-01-01.

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