QoS-aware Services Replacement of Web Service Composition

被引：6

作者：

Yin, Keting ^{[1
]}

Zhou, Bo ^{[1
]}

Zhang, Shuai ^{[1
]}

Xu, Bin ^{[1
]}

Chen, Yixi ^{[1
]}

机构：

[1] Zhejiang Univ, Dept Comp Sci & Engn, Hangzhou 310003, Zhejiang, Peoples R China

来源：

ITCS: 2009 INTERNATIONAL CONFERENCE ON INFORMATION TECHNOLOGY AND COMPUTER SCIENCE, PROCEEDINGS, VOL 2, PROCEEDINGS | 2009年

关键词：

service replacement; web service composition; QoS;

D O I：

10.1109/ITCS.2009.191

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The component service in web service composition may fail or degrade in QoS thus needs to be replaced. In this paper, we propose a novel approach for services replacement of the composition. The target service could be replaced individually, or it could be replaced with its related services in the composition as a whole by a more complex service. In this way, far more choices will be available to repair the composition. We also present a mechanism to select the optimal service for replacement based on QoS in two phases: preliminary selection and ranking. Evaluation shows the effectiveness of our approach.

引用

页码：271 / 274

页数：4

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