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The previous Quality of Service (QoS) measure method for Web services are not accurate as they often focused on the ambiguity of user preferences but neglected its one-sidedness (i.e., user preferences cannot realize the data distribution characteristics of services set). This paper first points out that user preferences are not only ambiguous but also one-sided. QoS measure should be a co-action...
This paper presents a novel Web service composition algorithm based on TOPSIS (WSC_TOPSIS) to solve the service composition difficulties with multiple decision-makers and heterogeneous QoS for the first time. It includes three main steps: normalizing decision matrix, evaluating alternatives synthetically and evaluating group alternatives synthetically. Experimental results show that the proposed algorithm...
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