An Integrated Declarative Approach to Web Services Composition and Monitoring

Ehtesham Zahoor 1 Olivier Perrin 1 Claude Godart 1
1 ECOO - Environment for cooperation
INRIA Lorraine, LORIA - Laboratoire Lorrain de Recherche en Informatique et ses Applications
Abstract : In this paper we propose a constraint based declarative approach for Web services composition and monitoring problem. Our approach allows user to build the abstract composition by identifying the participating entities and by providing a set of constraints that mark the boundary of the solution. Different types of constraints have been proposed to handle the composition modeling and monitoring. Abstract composition is then used for instantiating the concrete composition, which both finds and executes an instantiation respecting constraints, and also handles the process run-time monitoring. When compared to the traditional approaches, our approach is declarative and allows for the same set of constraints to be used for composition modeling and monitoring and thus allows for refining the abstract composition as a result of run-time violations, such as service failure or response time delays.
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Ehtesham Zahoor, Olivier Perrin, Claude Godart. An Integrated Declarative Approach to Web Services Composition and Monitoring. 10th International Conference on Web Information Systems Engineering - WISE 2009, Oct 2009, Poznan, Poland. pp.247-260, ⟨10.1007/978-3-642-04409-0_28⟩. ⟨inria-00431855⟩

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