期刊文献+

基于并发事务逻辑的语义Web服务组合

Semantic Web Services Composition Based on Concurrent Transaction Logic
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摘要 并发事务逻辑(Concurrent Transaction Logic,CTR)是一种谓词逻辑的扩展,支持语义Web服务自动组合的推理。采用并发事务逻辑作为表示和推理工具,给出了OWL-S功能和行为两个方面的Web服务组合方法。基于并发事务逻辑的执行语义及其Horn子集的过程式语义,提出了一个多项式时间的服务组合算法,从而降低了服务组合推理的复杂性,为解决当前许多主流语义Web服务组合方法不支持并发行为建模的问题提供了新思路。 Concurrent Transaction Logic(CTR) is an extension of predicate logic which supports reasoning the automatic composition of semantic Web Services.This paper used CTR as the describing and reasoning tools,and proposed a composition method from the two aspects of OWL-S Web Services:function and behavior.The executing semantics of CTR and the procedural semantics of its Horn clause reduce the reasoning complexity.A polynomial time algorithm was constructed.This paper provided a new method for handling the problem that current mainstream semantic Web service composition methods are not able to model concurrent behaviors.
出处 《计算机科学》 CSCD 北大核心 2012年第10期139-142,156,共5页 Computer Science
基金 国家自然科学基金(61063002) 广西科学基金(2011GXNSFA018166 2011GXN-SFA018164)资助
关键词 语义WEB服务 服务组合 并发事务逻辑 霍恩子句 Semantic Web service Service composition Concurrent transaction logic Horn clause
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参考文献8

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