Improving BnB-ADOPT+-AC

  • Authors:
  • Patricia Gutierrez;Pedro Meseguer

  • Affiliations:
  • Universitat Autonoma de Barcelona, Bellaterra, Spain;Universitat Autonoma de Barcelona, Bellaterra, Spain

  • Venue:
  • Proceedings of the 11th International Conference on Autonomous Agents and Multiagent Systems - Volume 1
  • Year:
  • 2012

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Abstract

Several multiagent tasks can be formulated and solved as DCOPs. BnB-ADOPT+-AC is one of the most efficient algorithms for optimal DCOP solving. It is based on BnB-ADOPT, removing redundant messages and maintaining soft arc consistency during search. In this paper, we present several improvements for this algorithm, namely (i) a better implementation, (ii) processing exactly simultaneous deletions, and (iii) searching on arc consistent cost functions. We present empirical results showing the benefits of these improvements on several benchmarks.