Abstract
Cloud environments are being increasingly used for deploying and executing business processes and particularly service-based business processes (SBPs). In this paper, we propose a bottom-up approach to check the correct interaction between different SBPs distributed over a Cloud environment and which may be provided by various organizations. The whole system's model being unavailable, an up-down analysis approach is not appropriate. To check the correctness of the composition of several SBPs communicating asynchronously and sharing resources (hardware, platform, and software), we consider temporal properties that can be expressed with the LTL logic. Each part of the whole composite SBP exposes its abstract model, represented by a Symbolic Observation Graph (SOG), to allow the correct collaboration with possible partners in the Cloud. The SOG is adapted in order to reduce the verification of the entire composite model to the verification of the composition of the SOG-based abstractions.
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