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In Web service composition, the benefit conflicts between the user and the service provider ask the so-called both win to be supported. To address this concern, a novel QoS-guaranteed service composition approach based on a win-win strategy is proposed in this paper. First, a QoS model based on the probability interval is built to adapt to the dynamic nature of the Internet, and a corresponding user...
In service oriented application, value-added service is composed of some component services which are selected from candidate services. However, in the current service selection models, services in the composite service are independent from each other. In fact, there are relations (e.g. data interaction, condition dependency) between them. Both QoS and service relation should be regarded as criterions...
Service composition becomes the most interesting challenges in the Web services area. In this paper, the quality of service (QoS)-aware composition of Web services is discussed. In the existing work, heuristic or intelligent optimal algorithms are adopted directly upon the complex process model of a composite service, which means different flow constructs (e.g. sequence, selective, simultaneous, combination,...
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