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Cloud environments are being increasingly used for deploying and executing business processes to provide a high level of performance with low operating cost. Nevertheless, due to the lack of explicit and formal description of the resource perspective in existing business processes, cloud resources cannot be efficiently and optimally managed. The aim of the present paper is to offer a formal definition...
The reconfigurable composite services (CWSs) can repair itself if any execution problems occur, in order to complete successfully its own execution. The research problem in which we are interested in is how to ensure the correctness of reconfigurable CWSs. This paper proposes an incremental design approach for modeling and verifying reconfigurable CWSs by using EventB. We start by abstractly specifying...
Verifying Web service composition in a dynamic environment remains one of the most difficult tasks despite the efforts and the previous proposed research works because new services can be composed during the execution step and others can automatically appear, disappear, or be updated. To achieve the Web service composition specification and verification, we introduce a new concept, called dynamic...
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