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PRODID:-//University of Liverpool Computer Science Seminar System//v2//EN
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DTSTAMP:20260920T141623Z
UID:Seminar-dept-289@lxserverM.csc.liv.ac.uk
ORGANIZER:CN=Lutz Oettershagen:MAILTO:Lutz.Oettershagen@liverpool.ac.uk
DTSTART:20120529T160000
DTEND:20120529T170000
SUMMARY:School Seminar Series
DESCRIPTION:Dr. David Parker: Automatic Verification of Competitive Stochastic Systems\n\nWe 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. \n\n\n\nThis is joint work with Taolue Chen, Vojtech Forejt, Marta Kwiatkowska and Aistis Simaitis.\n\nhttps://www.csc.liv.ac.uk/research/seminars/abstract.php?id=289
LOCATION:G12
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