Approximate linear-programming algorithms for graph-based Markov decision processes

  • Authors:
  • Nicklas Forsell;Régis Sabbadin

  • Affiliations:
  • SLU, Umeå, Sweden, nicklas.forsell@resgeom.slu.se and INRA-MIA, Toulouse, France, {forsell, sabbadin}@toulouse.inra.fr;INRA-MIA, Toulouse, France, {forsell, sabbadin}@toulouse.inra.fr

  • Venue:
  • Proceedings of the 2006 conference on ECAI 2006: 17th European Conference on Artificial Intelligence August 29 -- September 1, 2006, Riva del Garda, Italy
  • Year:
  • 2006

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Abstract

In this article, we consider a form of compact representation of MDP based on graphs, and we propose an approximate solution algorithm derived from this representation. The approach we propose belongs to the family of Approximate Linear Programming methods, but the graph-structure we assume allows it to become particularly efficient. The proposed method complexity is linear in the number of variables in the graph and only exponential in the width of a dependency graph among variables.