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Under SOA (Service-Oriented Architecture), composite service is formed by aggregating multiple component services together in a given workflow. One key criterion of this research topic is QoS composition. Most work on service composition mainly focuses on the algorithms about how to compose services according to assumed QoS, without considering where the(More)
Under SOA, multiple services can be aggregated to create a new composite service based on some predefined workflow. The QoS of this composite service is determined by the cooperation of all these Web services. With workflow pipelining, it is unreasonable to improve the overall service performance by only considering individual services without considering(More)
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