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Considering the problems of heterogeneous information system integration, service-oriented component of HUB-SOA model is proposed based on investigating E-HUB integration model and SOA integrated structure. Further, the key technical of the basic working principle, interface model, web service, system component and schema mapping are researched. What's more, WEB service and its description of registration criterion for platform are defined, and service component integration architecture based on middleware is constructed, and the mapping model of heterogeneous information integration is proposed. Finally, the framework of HUB-SOA model with various heterogeneous systems is implemented.
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