RSS-Driven QoS Adaptation for Web Service Finding

With the rapid development of Web Service technology, the number of Web Service providers having the same Web Services are increasing. As a result, the QoS elements become more important factors for Web Service finding. But, most of previous research efforts do not consider various QoS elements including Service-specific QoS elements during service finding. In this paper, we propose a Web Service finding scheme which allow dynamic QoS adaptation using RSS techniques. We first classify various QoS elements and describe an extensible QoS model. We then explain a service finding scheme, which can utilize the proposed QoS elements. We also show how to dynamically update user-specific QoS elements using RSS mechanisms, thus improving the correctness of later service finding process. Finally, we implemented the proposed schemes and showed the usefulness of our methods through some experiments.