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International Conference on Advanced Computer Theory and Engineering, 4th (ICACTE 2011)

Yi Xie
Yi Xie
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ASME Press
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Grid computing has emerged as an important new field, distinguished from conventional distributed computing by its focus on large-scale resource sharing, innovative applications, and, in some cases, high-performance orientation. QoS-aware service composition is a key requirement in Grid environments since it enables users to fulfill his/her required complex tasks while meeting different global Quality of Service (QoS) constraints. The problem of QoS-aware grid service composition is known to be a NP-hard problem. In this paper a novel Ant Colony Optimization (ACO) algorithm is proposed for QoSaware grid service composition to find near optimal composite service. This paper also presents a...

1. Introduction
2. Problem Definition
3. Proposed ACO
4. Experimental Results
5. Summaries
6. References
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