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The Must Preorder Revisited

  • Cosimo Laneve
  • Luca Padovani
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4703)

Abstract

We define a language for Web services contracts as a parallel-free fragment of ccs and we study a natural notion of compliance between clients and services in terms of their corresponding contracts. The induced contract preorder turns out to be valuable in searching and querying registries of Web services, it shows interesting connections with the must preorder, and it exhibits good precongruence properties when choreographies of Web services are considered. Our contract language may be used as a foundation of Web services technologies, such as wsdl and wscl.

Keywords

Service Contract Behavioral Compliance UDDI Registry External Choice Internal Choice 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2007

Authors and Affiliations

  • Cosimo Laneve
    • 1
  • Luca Padovani
    • 2
  1. 1.Department of Computer Science, University of Bologna 
  2. 2.Information Science and Technology Institute, University of Urbino 

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