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	A Catalogue Service for Internet GIServices Supporting Active Service Evaluation and Real-Time Quality Monitoring
	Shen S. Y. ; Zhang T. ; Wu H. Y. ; Liu Z. J.
	2012
关键词	web services
英文摘要	Internet-based Geographical Information Services (GIServices) have exploded in depth and variety over the past few years. More and more academic institutions, private companies, and even individuals publish their own geographical information resources in the form of GIServices on the Internet. In today's resource-rich environment, fast and accurate service discovery is a significant problem for industry and academia, as well as regular users. To solve this problem, researchers introduced Service-Oriented Architecture (SOA) to the domain of GIServices. Being the core of SOA, a registry catalogue implements message exchange services. But current catalog service mechanisms lack the capability to search services, to monitor and to provide accurate descriptions for quality of service in an active manner. Therefore, current catalogue services are not able to overcome problems such as limited registered resources, inaccurate registration information and the uncertainty of service status in various geospatial applications. A catalogue framework for GIServices is proposed that effectively integrates the Quality of GIServices (QoGIService) theory, as well as service crawling/search and dynamic monitoring techniques. A prototype application focused on Web Map Services (WMS) was established that mitigated the abovementioned problems through active service evaluation and real-time quality monitoring mechanisms.
出处	Transactions in Gis
卷	16
期	6
页	745-761
收录类别	SCI
语种	英语
ISSN号	1361-1682
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/30782]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Shen S. Y.,Zhang T.,Wu H. Y.,et al. A Catalogue Service for Internet GIServices Supporting Active Service Evaluation and Real-Time Quality Monitoring. 2012.

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