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Abstract: Nowadays computing becomes increasingly mobile and pervasive. One of theimportant steps in pervasive computing is context-awareness. Context-awarepervasive systems rely on information about the context and user preferences toadapt their behavior. However, context-aware applications do not always behaveas user-s desire, and can cause users to feel dissatisfied with unexpectedactions. To solve these problems, context-aware systems must provide mechanismsto adapt automatically when the context changes significantly. The interestingcharacteristic of context is its own behaviors which depend on various aspectsof the surrounding contexts. This paper uses contextual graphs to solve theproblem -the mutual relationships among the contexts-. We describe the mostrelevant work in this area, as well as ongoing research on developingcontext-aware system for ubiquitous computing based on contextual graph. Theusage of contextual graph in context-awareness is expected to make it effectivefor developers to develop various applications with the need of contextreasoning.



Author: Tam Van Nguyen, Wontaek Lim, Huy Nguyen, Deokjai Choi

Source: https://arxiv.org/







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