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In the research of composite service execution, runtime QoS ensuring of composite service is an important problem in composite service adaptation. This paper gives an introduction to the design and implementation of composite service adaptive execution supported environment monitoring system, analyzes the crucial problem of the system, builds up an experiment environment to test the monitoring system...
Service-based software system (SBS) is a software system based on service-oriented architecture (SOA). Although often treated as a composite service, an SBS is proposed from a more practical point of view based on restricted service provisions. In the highly competitive market, just meeting such requirements seems not enough to get more customers for service providers, and they usually provide additional...
A promising way to guarantee dependability of service-based systems (SBSs) is replanning service bindings dynamically with the environment changing. As embedded into system execution, such replanning process will directly affect the overall performance of SBSs. While various replanning techniques have been proposed up to now, it is still challenging that how to provide cost-effective replanning methods...
Due to the dynamic nature of environment in service computing, it becomes more important to make the Web service composition able to self-adapt to changes in its environment. Achieving this goal is a challenging task, as the performance of a composite Web service will be decreased if the adaptation happens frequently in runtime. In this paper, we improve adaptation of Web service composition by predicting...
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