Abstract
We tackle the problem of providing rigorous formal foundations to current software engineering technologies for web services. We focus on two of the most used XML-based languages for web services: WSDL and WS-BPEL. To this aim, first we select an expressive subset of WS-BPEL, with special concern for modeling the interactions among web service instances in a network context, and define its operational semantics. We call ws-calculus the resulting formalism. Then, we put forward a rigorous typing discipline that formalizes the relationship existing between ws-calculus terms and the associated WSDL documents and supports verification of their compliance. We prove that the type system and the operational semantics of ws-calculus are ‘sound’ and apply our approach to an example application involving three interacting web services.
Supported by EU within the FP6-2004-IST-FET Proactive project SENSORIA proposal contract number 016004.
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Lapadula, A., Pugliese, R., Tiezzi, F. (2006). A WSDL-Based Type System for WS-BPEL . In: Ciancarini, P., Wiklicky, H. (eds) Coordination Models and Languages. COORDINATION 2006. Lecture Notes in Computer Science, vol 4038. Springer, Berlin, Heidelberg. https://doi.org/10.1007/11767954_10
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DOI: https://doi.org/10.1007/11767954_10
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