Enhancing UDDI to Support Transparent Access and Multiobjective QoS for Web Services

نویسندگان

  • Chia-Chuan Chuang
  • Shang-Juh Kao
چکیده

As more and more web services appearing on the Internet, how to locate an appropriate service has become a research challenge and an emerging enterprise request. In this paper, we present a transparent web service acquisition system by enhancing the functionality of UDDI to support various service requirements. With this system, a service requester can transparently locate a service which meets multiple objectives. As UDDI having been taken as the registry standard for both register and query of web services, our approach is to deal with service composition processing in UDDI and to allow inter-UDDI communications. With the employment of the NSGA-II algorithm, we are able to find out the feasible service compositions which satisfy both cost and time constraints with maximized reliability and availability. The experiment was carried out to demonstrate the feasibility of executing the NSGA-II algorithm in obtaining the optimal service compositions. Keyword:Web Service, UDDI, Evolutionary Algorithm, Multiobjective, QoS 678 2007數位科技與創新管理研討會

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تاریخ انتشار 2007