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A Heuristic QoS-Aware Service Selection Approach to Web Service Composition

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4 Author(s)
Dongmei Liu ; Dept. of Comput. Sci. & Eng., East China Univ. of Sci. & Technol., Shanghai, China ; Zhiqing Shao ; Caizhu Yu ; Guisheng Fan

Web service composition is a flexible way for resource sharing and application integration. However, how to guarantee quality of service composition remains a challenging problem. This paper proposes a heuristic approach to optimizing service selection for composition so that the userpsilas QoS expectation is satisfied. Optimization is enforced for constraints in both local and global level. For each level, a mathematical model is established, and the corresponding heuristic algorithm to solve Web service selection problem by using convex hull frontiers method is proposed. Furthermore, multiple criteria decision making (MCDM) technique is applied to merge multiple dimensional resources in the heuristic algorithms. Finally, a case study demonstrates feasibility and efficiency of our method.

Published in:

Computer and Information Science, 2009. ICIS 2009. Eighth IEEE/ACIS International Conference on

Date of Conference:

1-3 June 2009