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Multiple Cloud services can be composed as a single service to fulfill the execution of large-scale workflow application. It faces trade-offs among several QoS metrics causing by users' preferences. Most existing works utilize multi-objective evolutionary algorithms to address this problem. However, it is hardly to express different users' preferences. This paper proposes an evolutionary algorithm...
Cloud computing as a widely used computing platform can provide a number of services for customers in a pay-as-you-go fashion. Enabling further growing and complex needs of users, service of different independent cloud provider should be composed to deliver uniform Quality of Service (QoS) as a single request. An open and valid question is how to select services as a partner chain and optimize the...
A key step for grid service composing rests with the selection of the individual service. A two layered mixed trust model (TLMTM) for grid service selection based on automated trust negotiation ATN is presented. The model combines trust mechanism with ATN. The upper layer of TLMTM is the service composition trust template (SCTT) that it can ensure those services with the higher trust value to be selected,...
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