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The complexity of developing and deploying context-aware pervasive-computing applications calls for distributed software infrastructures that unobtrusively support to contextual data collecting, information sharing and security privacy controlling. In this paper, we motivate a human-centric design for such an infrastructure to support context-aware applications. A novel peer to peer based semantic...
In order to solve the contradiction between information sharing and security privacy in the ubiquitous computing environment, a novel context policy management framework based on ontology is presented. The semantic specification of policy and dynamic policy implementation are described. And the usefulness and flexibility of our proposed framework are demonstrated by a typical ubiquitous computing...
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