期刊文献+

地球空间Web服务数据交换机制的设计与实现 被引量:3

Design and implementation of geospatial Web service data exchange mechanism
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摘要 为了支持多源、异构的地球空间数据在互联网上异步、可靠的传输,基于开放地理信息Web服务体系(OWS),提出了基于消息中间件的空间数据交换方法。首先分析了当前地球空间数据交换的研究现状及相关技术,指出了当前地球空间数据交换方式存在效率低等诸多方面的不足,特别是由于目前很多OWS实现都是基于HTTP的Web服务模式,服务之间的数据交换是无状态和不可靠的。其次介绍了消息中间件规范,设计了基于消息中间件的空间数据交换体系结构,并对该体系结构的各组成部分进行了详细阐述。最后基于Java消息服务(JMS)、Web要素服务(WFS)、Web坐标转换服务(WCTS)和Web制图服务(WMS),实现了一个基于消息中间件的空间数据交换系统实例,验证了方法的可行性。 In order to support the asynchronous,reliable transmission through the Internet among multi-source,heterogeneous geospatial web data service,this paper focuses on integration existing Message-Oriented Middleware with the open data services of open GIS Consortium.A framework of spatial data exchange based on Message-Oriented Middleware (MOM) is proposed and the main components are illustrated.An experiment system is designed and implemented based on the proposed methodology,Java Message Service and the open source OGC Web Feature Service (WFS),Web Coordinate Transform Service (WCTS) and Web Mapping Service( WMS ).
出处 《计算机工程与应用》 CSCD 北大核心 2007年第36期117-119,共3页 Computer Engineering and Applications
基金 国家自然科学基金(the National Natural Science Foundation of China under Grant No.40501059) 湖北省自然科学基金创新群体项目(the Hubei Science Foundation under Grant No.2006ABC010)
关键词 消息中间件 空间数据交换 WEB地图服务 Web要素服务 JAVA消息服务 Message Oriented Middleware (MOM) geospatial data exchange Web Mapping Service(WMS) Web Feature Service (WFS) Java Message Service(JMS)
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参考文献14

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