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Web services composition technology is promising technology to efficiently integrate heterogeneous, distributed and legacy software system. Performance becomes the key issue when Web services composition model complex and mission-critical application. The defect of design can result in the performance bottleneck problem in the running time. In this paper, we propose a simulation-based model for the...
In recently years, Web service composition becomes a new approach to overcome many difficult problems confronted by B2B e-commerce, inter-organization workflow management, enterprise application integration etc. Due to the uncertainty of the Internet and various Web services, the performance of the composed Web service can not be ensured. How to model and predict the performance of the composed Web...
Web Services can be composed to build domain-specific application and solution. Some Web Services Composition (WSC) standards are proposed, for instance, WS-BPEL and WS-CDL. WS-BPEL consists of basic activity, structured activity and control-flow. It uses control-flow to construct sequence, branching, parallelism, synchronization, etc. This paper proposes an approach to formally analyze transaction...
Web services can be composed to build domain-specific application and solution. The standards of several Web services composition (WSC) are proposed, for example, WS-BPEL and WS-CDL. Moreover, there is a great demand for the performance optimization of WSC recently. However, WS-BPEL lacks formal semantics, so it is very difficult to verify WSC and evaluate the performance of WSC. Therefore, considering...
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