Of Mechanism Design Multiagent Planning

  • Authors:
  • Roman van der Krogt;Mathijs de Weerdt;Yingqian Zhang

  • Affiliations:
  • Cork Constraint Computation Centre, University College Cork, Ireland/ email: roman@4c.ucc.ie;Delft University of Technology, Delft, The Netherlands/ email: M.M.deWeerdt@tudelft.nl;Delft University of Technology, Delft, The Netherlands/ email: Yingqian.Zhang@tudelft.nl

  • Venue:
  • Proceedings of the 2008 conference on ECAI 2008: 18th European Conference on Artificial Intelligence
  • Year:
  • 2008

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Abstract

Multiagent planning methods are concerned with planning by and for a group of agents. If the agents are self-interested, they may be tempted to lie in order to obtain an outcome that is more rewarding for them. We therefore study the multiagent planning problem from a mechanism design perspective, showing how to incentivise agents to be truthful. We prove that the well-known truthful VCG mechanism is not always truthful in the context of optimal planning, and present a modification to fix this. Finally, we present some (domain-dependent) poly-time planning algorithms using this fix that maintain truthfulness in spite of their non-optimality.