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An Algebraic Theory for Web Service Contracts

Cosimo Laneve 1, 2 Luca Padovani 3 
1 FOCUS - Foundations of Component-based Ubiquitous Systems
CRISAM - Inria Sophia Antipolis - Méditerranée , DISI - Dipartimento di Informatica - Scienza e Ingegneria [Bologna]
Abstract : We study a natural notion of compliance between clients and services in terms of their bpel (abstract) descriptions. The induced preorder shows interesting connections with the must preorder and has normal form representatives that are parallel-free finite-state activities, called contracts. The preorder also admits the notion of least service contract that is compliant with a client contract, called dual contract, and exhibits good precongruence properties when choreographies of Web services are considered. Our framework serves as a foundation of Web service technologies for connecting abstract and concrete service definitions and for service discovery.
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Submitted on : Monday, November 16, 2015 - 3:38:50 PM
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Cosimo Laneve, Luca Padovani. An Algebraic Theory for Web Service Contracts. Formal Aspects of Computing, 2015, 27 (4), pp.27. ⟨10.1007/s00165-015-0334-2⟩. ⟨hal-01229401⟩



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