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Reconfiguration and self-management are important properties for systems that operate in hazardous and uncontrolled environments, such as inter-planetary space. These systems need a reconfiguration mechanism that provides recovery from individual component failures as well as the ability to dynamically adapt to evolving mission goals. One way to provide this functionality is to define a model of alternative...
Context awareness is one of the most fundamental issues in pervasive computing. In this paper, an ontology based context model is proposed, which defines "high-level" context ontology to provide basic concepts for sharing and managing context information. Our context model takes QoS and Security supporting into account. In addition, a context aware architecture based on semantic web service...
One most important character which makes it hard for pervasive computing is that the environment contexts of the running program vary with the continuous migrating of user, and even the context in a geographical fixed space changes all the time. It makes the services which include software utilities, devices functionalities, etc. not always available. This requires the program behavior to be able...
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