Semantic operation composition according to user tasks in ubiquitous environment
Proceedings of the 4th International Conference on Uniquitous Information Management and Communication
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Service Component Architecture (SCA) defines how to create components and how to combine those components into complete applications. SCA defines a general approach to doing both of these things at design time of applications. In ubiquitous, we consider dynamic factors such as frequently movement of user or device location and change of service status. SCA does not consider about that, but this specification proposed good solution about service composition. For this reason, we suggested the service composition approach, which is extended of SCA. Our approach supports dynamic service composition, which is considered the dynamic factors of ubiquitous environment. In addition, it reflects the user requirement like that what kind of service to do in what order. It also supports coordination of service when the client can no longer use the service because it is putted off the power or has another problem.