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In a ubiquitous computing environment, an application is a collection of services linked at runtime, which we call service association. To solve service-to-service communication and interaction in service association, a novel programming framework is provided in this paper, which consists of two abstraction models - service component model (SCM) and service association model (SAM). According to SCM, a service can be depicted as an XML document with semantic interface by service description language. Based on SAM, the relation of services can be defined as a service dependency graph, so that dynamic service association can be maintained at the runtime. To evaluate our programming framework, we are developing a prototype system called Intelligent Meeting Room.
Information, Communications and Signal Processing, 2003 and Fourth Pacific Rim Conference on Multimedia. Proceedings of the 2003 Joint Conference of the Fourth International Conference on (Volume:1 )
Date of Conference: 15-18 Dec. 2003