Improving reuse of web service compositions

Authors:
Carlos Granell;Michael Gould;Roy Grønmo;David Skogan
Affiliations:
Department of Information Systems (LSI), Universitat Jaume I, Castellón, Spain;Department of Information Systems (LSI), Universitat Jaume I, Castellón, Spain;SINTEF Information and Communication Technology, Oslo, Norway;SINTEF Information and Communication Technology, Oslo, Norway
Venue:
EC-Web'05 Proceedings of the 6th international conference on E-Commerce and Web Technologies
Year:
2005

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Abstract

We describe a methodology for assembling composite services based on three basic processes which are independent of the concrete implementation: Service Abstraction Process, Service Composition Process, and Translation Process. These processes share the concept of integrated component composed of two key aspects: a specific set of the Aalst's workflow patterns together with a component-style composition of complex services. We propose a novel approach that implements the steps of such methodology, providing an efficient manner for developing service compositions and enhancing the expressiveness of target composition languages like BPEL4WS. Here we focus on the description of the Service Abstraction Process, a critical step in order to enhance the service composition by facilitating the reuse of existing services.