Grid_GIS is an SOA (service-oriented architecture) based grid GIS system for data and function sharing in multiple application domains. The Grid_GIS adopts a Super P2P (peer-topeer) architecture to realize the distributed storage, query processing and dynamic integration of data and functions resources. The domain ontology knowledge and reasoning rules are used to support the semantics-based intelligent query. Standards-based Web services, utilizes "push" mode to realize monitoring of resources. According to the monitor resource parameters to realize rapidly resource distribution .utilize WSSecurity expansion to achieve grid security, gain compatibility with other grids and improve compatibility with other platforms. At last make a data sharing and transformation experimental system based on LAN, test the system's feasibility and effectiveness.
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