Interaction patterns and observable commitments in a multi-agent trading scenario

  • Authors:
  • Jeremy Pitt;Lloyd Kamara;Alexander Artikis

  • Affiliations:
  • Electrical & Electronic Eng., Imperial College of Science, Technology & Medicine, London, SW7 2BT, UK;Electrical & Electronic Eng., Imperial College of Science, Technology & Medicine, London, SW7 2BT, UK;Electrical & Electronic Eng., Imperial College of Science, Technology & Medicine, London, SW7 2BT, UK

  • Venue:
  • Proceedings of the fifth international conference on Autonomous agents
  • Year:
  • 2001

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Abstract

We propose a formal semantics for the protocol diagrams (interaction patterns) of AUML (Agent Unified Modelling Language). We connect this proposal with a general framework for defining the semantics of ACLs (Agent Communication Languages). We then show that protocol diagrams should be parameterised with observable commitments: additional specification of the expected outcomes and normative positions resulting from the use of the protocol. A complete axiomatisation of a contract-net protocol is given, and animated to show how the agents comply with expected replies and respecting the norms. We conclude that this approach to `socialising' interaction between agents is important for developing open agent systems and potentially useful in standardisation.