QoS-aware Selection of Web Service Composition Based on Harmony Search Algorithm

被引：0

作者：

Jafarpour, Nastaran ^{[1
]}

Khayyambashi, Mohammad Reza ^{[1
]}

机构：

[1] Univ Isfahan, Fac Engn, Dept Comp, Esfahan, Iran

来源：

12TH INTERNATIONAL CONFERENCE ON ADVANCED COMMUNICATION TECHNOLOGY: ICT FOR GREEN GROWTH AND SUSTAINABLE DEVELOPMENT, VOLS 1 AND 2 | 2010年

关键词：

Web service composition; Quality-of-Service; Harmony Search algorithm; Global optimization; Workflow;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

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.

引用

页码：1345 / 1350

页数：6

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