QoS-aware Services Replacement of Web Service Composition

被引：5
|
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
收藏
页码：271 / 274
页数：4
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