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Erschienen in:
2011 | OriginalPaper | Buchkapitel
Key Techniques Research on Water Resources Scientific Data Sharing Platform
verfasst von : Yufeng Yu, Shijin Li, Jingjin Jiang
Erschienen in: Web Information Systems and Mining
Verlag: Springer Berlin Heidelberg
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In order to integrate distributed and isomerous water resources scientific data and provide one-stop data sharing services for different users, a distributed data sharing platform is needed urgently in China. A framework of the distributed water resources scientific data sharing platform (WSDSP) is proposed to solve this problem .This platform comprises one main center, one authentication center and several sub-centers in which core functions are encapsulated into web services. And then, some key techniques, i.e. metadata directory service, single sing-on (SSO), web services based service-oriented architecture (SOA) and distributed metadata synchronization, are discussed in detail. And now, this platform was deployed in Ministry of water resources and related provinces, in which more than 8976 MB data integrated from 5487 hydrometric stations can be shared to the public.