No regrets about no-regret

  • Authors:
  • Yu-Han Chang

  • Affiliations:
  • Intelligent Systems Division, USC Information Sciences Institute, 4676 Admiralty Way, Marina del Rey, CA 90292, USA

  • Venue:
  • Artificial Intelligence
  • Year:
  • 2007

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Abstract

No-regret is described as one framework that game theorists and computer scientists have converged upon for designing and evaluating multi-agent learning algorithms. However, Shoham, Powers, and Grenager also point out that the framework has serious deficiencies, such as behaving sub-optimally against certain reactive opponents. But all is not lost. With some simple modifications, regret-minimizing algorithms can perform in many of the ways we wish multi-agent learning algorithms to perform, providing safety and adaptability against reactive opponents. We argue that the research community should have no regrets about no-regret methods.