Dynamic web service composition based on OWL-S

被引：0
|
作者：
Jing Dong
Yongtao Sun
Sheng Yang
Kang Zhang
机构：
[1] University of Texas at Dallas,Department of Computer Science
[2] American Airlines,undefined
来源：
Science in China Series F: Information Sciences | 2006年 / 49卷
关键词：
web service; instance pool; abstract service; ontology; dynamic composition;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Composing existing web services for enterprise applications may enable higher level of reuse. However the composition processes are mostly static and lack of support for runtime redesign. In this paper, we describe our approach to the extension of the OWL-S ontology framework for dynamic web service composition. We raise the level of abstraction and propose an abstract service layer so that web services can be composed at the abstract service level instead of the concrete level. Each abstract service is attached with an instance pool including all instances of the abstract service to facilitate fail-over and dynamic compositions.
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页码：843 / 863
页数：20
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