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20452 A linear process-algebraic format with data for probabilistic automata
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Katoen, J.P. and van de Pol, J.C. and Stoelinga, M.I.A. and Timmer, M. (2012) A linear process-algebraic format with data for probabilistic automata. Theoretical Computer Science, 413 (1). pp. 36-57. ISSN 0304-3975 *** ISI Impact 0,665 ***

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Official URL: http://dx.doi.org/10.1016/j.tcs.2011.07.021

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Abstract

This paper presents a novel linear process-algebraic format for probabilistic automata. The key ingredient is a symbolic transformation of probabilistic process algebra terms that incorporate data into this linear format while preserving strong probabilistic bisimulation. This generalises similar techniques for traditional process algebras with data, and - more importantly - treats data and data-dependent probabilistic choice in a fully symbolic manner, leading to the symbolic analysis of parameterised probabilistic systems. We discuss several reduction techniques that can easily be applied to our models. A validation of our approach on two benchmark leader election protocols shows reductions of more than an order of magnitude.

Item Type:Article
Research Group:EWI-FMT: Formal Methods and Tools
Research Program:CTIT-DSN: Dependable Systems and Networks
Research Project:SYRUP: SYmbolic RedUction of Probabilistic Models, ROCKS: RigorOus dependability analysis using model ChecKing techniques for Stochastic systems, Quasimodo: Quantitative System Properties in Model-Driven-Design of Embedded Systems
Uncontrolled Keywords:Probabilistic process algebra, Linearisation, Data-dependent probabilistic choice, Symbolic transformations, State space reduction
ID Code:20452
Status:Published
Deposited On:29 November 2011
Refereed:Yes
International:Yes
ISI Impact Factor:0,665
More Information:statisticsmetis

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