Linking denotational semantics with operational semantics for web services

  • Authors:

  • Huibiao Zhu;Jifeng He;Jing Li;Geguang Pu;Jonathan P. Bowen

  • Affiliations:

  • Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Shanghai Key Laboratory of Trustworthy Computing, East China Normal University, Shanghai, China 200062;Museophile Limited, Oak Barn, Reading, UK RG4 6TN

  • Venue:
  • Innovations in Systems and Software Engineering
  • Year:
  • 2010

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Abstract

Web Services have become more and more important in these years, and BPEL4WS (BPEL) is a de facto standard for the web service composition and orchestration. It contains several distinct features, including the scope-based compensation and fault handling mechanism. The denotational semantics and operational semantics have been explored for BPEL. The two semantic models should be consistent. This paper considers the linking of these two semantics. Our approach is to derive the denotational semantics from operational semantics for BPEL, which aims for the consistency of the two models. Moreover, the derivation can be applied in exploring the program equivalence easily, especially for parallel programs.