Abstract
Several web services compositions languages and standards are used to describe different applications available over the web. These languages are essentially syntactic ones, their descriptions remain informal and are based on graphical notations. They do not offer any guarantee that the described services achieve the goals they have been designed for. The objective of this paper is twofold. First, it focusses on the formal description, modelling and validation of web services compositions using the Event_B method. Second, it suggest a refinement based method that encodes the BPEL models decompositions. Finally, we show that relevant properties formalized as Event_B properties can be proved. A tool encoding this approach is also available.
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Ait-Sadoune, I., Ait-Ameur, Y. (2010). Stepwise Design of BPEL Web Services Compositions: An Event_B Refinement Based Approach. In: Lee, R., Ormandjieva, O., Abran, A., Constantinides, C. (eds) Software Engineering Research, Management and Applications 2010. Studies in Computational Intelligence, vol 296. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-13273-5_4
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DOI: https://doi.org/10.1007/978-3-642-13273-5_4
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