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中文摘要：
为提高服务提供商的服务被选率,将优化逆问题应用到Web服务选择领域,提出了Web服务选择优化逆问题,描述了此问题的解决步骤,比较了割平面法和Huang法的优劣,给出了改进方法.为提高Web服务选择优化的求解效率和优度,基于Web服务选择优化逆问题,设计出Web服务选择优化算法——逆选择算法,为服务请求者提供最优或近似最优选择方案.实验结果表明：Web服务选择优化逆问题的解可有效提高服务被选率;逆选择算法可有效提高选择方案的求解效率和优度.
英文摘要：
Inverse optimization problem is applied to the field of Web service selection,and the solution to inverse problem can meet the needs of the service provider,increasing the selecting rates of its services.In this paper,inverse optimal selection problem is presented,and the problem-solving procedure is described.Cutting plane algorithm and Huang＇s method are compared,and the improvements are put forward.The existing Web service selection optimization methods have the drawback of low efficiency or quality.Therefore,an inverse optimization problem-based Web service selection optimization algorithm is presented for the requester to obtain the optimal scheme.Experimental results show that the selecting rates of the services,the quality of selected scheme and the algorithm efficiency have been improved.
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