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Assumption-Based Composition and Monitoring of Web Services

  • Marco Pistore
  • Paolo Traverso

Abstract

We propose an approach to the automated synthesis automated synthesis and the run-time monitoring run-time monitoring of web service compositions. Automated synthesis, given a set of existing component services that are modeled in the BPEL language, and given a composition requirement, generates a new BPEL process that, once deployed, interacts with the components to satisfy the requirement. The composition requirement expresses assumptions under which component services are supposed to participate in the composition, as well as conditions that the composition is expected to guarantee. Run-time monitoring matches the actual behaviors of the service compositions against the assumptions expressed in the composition requirement, and reports violations. We describe the implementation of the proposed approach, which exploits efficient synthesis techniques, and discuss its scalability and practical applicability.

Keywords

Service Composition Component Service Composite Service Monitor Generation Process Instance 
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

  • Marco Pistore
    • 1
  • Paolo Traverso
    • 1
  1. 1.ITC-IRSTPovoItaly

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