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GlobalStat: a statistics service for diverse data collaboration and integration in grid

The rise of extensive computing has spawned an urgent need of information integration and collaboration. In this paper, we present a Grid Statistics Service (GlobalStat), a utility Grid service designed to provide an easy, safe, scalable and stable solution to integrate diverse data and get a global Grid view by statistics methodology. The GlobalStat between Grid nodes is organized in "semi-P2P" structure, so that it can be deployed in a wide-area, multi-institutional, heterogeneous and highly dynamic environment. The data hook (Statistics Investigation Program, SIP) and the elaborate policies designed for GlobalStat make it semantic-free to the statistics target, suitable for both application-origin or user-origin tasks