A Denotational Model for Web Services Choreography

Authors:
Geguang Pu;Yongxin Zhao;Zheng Wang;Libo Feng;Huibiao Zhu;Jifeng He
Affiliations:
Software Engineering Institute, Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Software Engineering Institute, Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Software Engineering Institute, Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Software Engineering Institute, Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Software Engineering Institute, Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Software Engineering Institute, Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062
Venue:
ICDCIT '08 Proceedings of the 5th International Conference on Distributed Computing and Internet Technology
Year:
2008

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Abstract

In this paper, the denotational semantics for WS-CDL language dealing with web services choreography using UTP [5] technique is presented and the features related to choreographies are deeply studied. For instance, the passing channel, implicit concurrency and synchronization etc. mechanisms are explored, which brings us the insights for the design and implementation of CDL as well. Predicate space is used as the denotational model in this paper, which can facilitate us with reasoning about the behaviors of CDL programs.