Uncertain Agent Verification through Probabilistic Model-Checking

  • Authors:
  • Paolo Ballarini;Michael Fisher;Michael Wooldridge

  • Affiliations:
  • University of Glasgow, Glasgow, UK G12 8RZ;University of Liverpool, Liverpool, UK L69 7ZF;University of Liverpool, Liverpool, UK L69 7ZF

  • Venue:
  • Safety and Security in Multiagent Systems
  • Year:
  • 2009

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Abstract

In many situations an agent's behaviour can sensibly be described only in terms of a distribution of probability over a set of possibilities. In such case (agents') decision-making becomes probabilistic too. In this work we consider a probabilistic variant of a well-known (two-players) Negotiation game and we show, first, how it can be encoded into a Markovian model, and then how a probabilistic model-checker such as PRISM can be used as a tool for its (automated) analysis. This paper is meant to exemplify that verification through model-checking can be fruitfully applied also to uncertain multi-agent systems. This, in our view, is the first step towards the characterisation of an automated verification method for probabilistic agents.