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Parametrized automata simulation and application to service composition

Belkhir, Walid and Chevalier, Yannick and Rusinowitch, Michaël Parametrized automata simulation and application to service composition. (2015) Journal of Symbolic Computation, 69. 40-60. ISSN 0747-7171

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Official URL: https://doi.org/10.1016/j.jsc.2014.09.029

Abstract

The service composition problem asks whether, given a client and a community of available services, there exists an agent (called the mediator) that suitably delegates the actions requested by the client to the available community of services. We address this problem in a general setting where the agents communication actions are parametrized by data from an infinite domain and possibly subject to constraints. For this purpose, we define parametrized automata (PAs), where transitions are guarded by conjunction of equalities and disequalities. We solve the service composition problem by showing that the simulation preorder of PAs is decidable and devising a procedure to synthesize a mediator out of a simulation preorder. We also show that the Nonemptiness problem of PAs is PSPACE-complete.

Item Type:Article
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
French research institutions > Institut National de la Recherche en Informatique et en Automatique - INRIA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Université de Toulouse > Université Toulouse - Jean Jaurès - UT2J (FRANCE)
Université de Toulouse > Université Toulouse 1 Capitole - UT1 (FRANCE)
Laboratory name:
Funders:
Network of Excellence on Engineering Secure Future Internet Software Services and Systems (NESSoS)
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Deposited By: IRIT IRIT
Deposited On:18 Apr 2019 09:01

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