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《Journal of South China University of Technology(Natural Science Edition)》 2007-01
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Dynamic Composite Web Services Based on QoS Context

Xu Xin-wei Ding Qiu-lin (Computer Application Institute,Nanjing Univ.of Aeronautics and Astronautics,Nanjing 210016,Jiangsu,China)  
As the context of Quality of Service(QoS) is of different functions in service composing procedure,the models of QoS context are used to dynamically compose the services.According to the QoS feedback criteria and the QoS requirements of the user,the candidate services are dynamically selected,composed and implemented under the effect of various environment QoS by using genetic algorithm as the controller of the QoS feedback criteria to ensure the determination of QoS targets.Experimental and simulated results show that,by the service composition based on QoS context,the Web services are of dynamic and self-adaptive features to meet the needs of the customer.
【Fund】: 国家“863”计划项目(2002AA411030);; 国防基础预研项目(S0500A001)
【CateGory Index】: TP393.09
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