QoS analysis on Web Service based spatial integration

被引：0
|
作者：
Luo, YW [1 ]
Liu, XP [1 ]
Wang, WJ [1 ]
Wang, XL [1 ]
Xu, ZQ [1 ]
机构：
[1] Peking Univ, Dept Comp Sci & Technol, Beijing 100871, Peoples R China
来源：
GRID AND COOPERATIVE COMPUTING GCC 2004, PROCEEDINGS | 2004年 / 3251卷
关键词：
D O I：
暂无
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Web Service sets service-oriented development, deployment and integration as its basic jumping-off place, and has become the primary publishing mechanism and organization framework in the environment of distributed computing and services among Internet. Currently, especially in distributed applications of large scaled spatial information, due to user's strong dependence on data formats and platforms of certain GIS manufacturer, there are obvious difficulty and complexity in inter-platform spatial information exchange and system development. In this paper, the concrete design and implementation of an integration and interoperation platform that aims to solve heterogeneity and on-line service for geographical information is presented first. This platforrn concentrates on implementation to shield heterogeneity among spatial data sources and services through a common spatial data transmission and exchange format-GML. In addition, QoS control for WebGIS Services of the integration and interoperation platform is expatiated from different aspects: cache mechanism, GML data compression, map on-line generation, etc.
引用
收藏
页码：42 / 49
页数：8
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