Informace o publikaci

Automatic Verification of Competitive Stochastic Systems

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CHEN Taolue FOREJT Vojtěch KWIATKOWSKA Marta PARKER Dave SIMAITIS Aistis

Rok publikování 2012
Druh Článek ve sborníku
Konference Tools and Algorithms for the Construction and Analysis of Systems - 18th International Conference
Fakulta / Pracoviště MU

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Citace
www http://www.prismmodelchecker.org/papers/tacas12.pdf
Doi http://dx.doi.org/10.1007/978-3-642-28756-5_22
Obor Informatika
Klíčová slova stochastic games; branching time logics; multi-agent systems
Popis We present automatic verification techniques for the modelling and analysis of probabilistic systems that incorporate competitive behaviour. These systems are modelled as turn-based stochastic multi-player games, in which the players can either collaborate or compete in order to achieve a particular goal. We define a temporal logic called rPATL for expressing quantitative properties of stochastic multi-player games. This logic allows us to reason about the collective ability of a set of players to achieve a goal relating to the probability of an event's occurrence or the expected amount of cost/reward accumulated. We give a model checking algorithm for verifying properties expressed in this logic and implement the techniques in a probabilistic model checker, based on the PRISM tool. We demonstrate the applicability and efficiency of our methods by deploying them to analyse and detect potential weaknesses in a variety of large case studies, including algorithms for energy management and collective decision making for autonomous systems.
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