Abstract
Nowdays, Cloud computing has gained a particular attention to run dynamic workflow applications. Nevertheless, due to lack of formal description of the resource perspective in dynamic workflows, the behavior of Cloud resource allocation cannot be correctly managed. In this paper, we aim at formally verifying the correctness of dynamic workflow changes in a Cloud environment using the Event-B method. More precisely, we propose a formal model which aims to preserve the correctness of workflow properties at both design time and runtime. We have considered properties related to control flow and resource perspectives.
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