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In this paper we propose an model driven approach for the specification and the execution of flexible workflows composed from cloud services. Flexibility of workflow means fast reactivity to internal and external changes. The basic challenge for workflow now is the ability to respond dynamic changes. To fulfill, we define functional and behavioral views of the flexible workflow. The first view is...
Semi automatic and semantic composition of workflows from Web and Cloud services is an important challenge in today's distributed applications. This paper focuses on how to compose and execute flexible workflow applications of Cloud services without considering lower level description of the Cloud environment. To reach this objective, we propose a Model-Driven Approach (MDA) for developing flexible...
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