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QoS-aware selection of web service composition based on Harmony Search algorithm

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2 Author(s)
Nastaran Jafarpour ; Department of Computer, Faculty of Engineering, University of Isfahan, Iran ; Mohammad Reza Khayyambashi

Designing of the composite services with desired quality is an interesting challenge of the web service environments. In a QoS-aware web service composition, appropriate services with acceptable quality are selected among several function-equivalent candidate services. The selection is performed in such a way that creates a composition with optimal quality which can satisfy user's quality constraints. In this paper, the problem of QoS-aware selection of web service composition is modeled as an optimization problem. Then the Harmony Search algorithm is adopted to find an optimal or near-optimal composition which can satisfy local and global user's constraints on quality attributes. The proposed method is a rapid and lightweight approach which can be applied to large service compositions with many service candidates.

Published in:

Advanced Communication Technology (ICACT), 2010 The 12th International Conference on  (Volume:2 )

Date of Conference:

7-10 Feb. 2010