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Web Services Composition (WSC) is a paradigm for enabling application integration within and across organizational boundaries. Nowadays, the Quality of Service (QoS) that WSC should offer becomes a priority for service providers and an exigence for customers. Therefore, the response time of a web services composition is a crucial problem.
The success of the technology of cloud computing lies mainly in its business model of pay-as-you-go where users pay only for the resources really consumed. However it is known that there is no warranty for the QoS that these resources will provide at runtime. In this paper, we suggest an approach to make load balancing more dynamic to better manage the QoS… (More)
Web Services Composition (WSC) is a paradigm for enabling application integration within and across organizational boundaries. Nowadays, the main challenges of WSC in environment like Internet are to ensure high quality execution. Former works on service composition have enabled the elaboration of the BPEL4WS standard. Nevertheless, the management of the… (More)