Representations for action selection learning from real-time observation of task experts

  • Authors:
  • Mark A. Wood;Joanna J. Bryson

  • Affiliations:
  • Artificial models of natural Intelligence, Department of Computer Science, University of Bath, UK;Artificial models of natural Intelligence, Department of Computer Science, University of Bath, UK

  • Venue:
  • IJCAI'07 Proceedings of the 20th international joint conference on Artifical intelligence
  • Year:
  • 2007

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Abstract

The association of perception and action is key to learning by observation in general, and to program-level task imitation in particular. The question is how to structure this information such that learning is tractable for resource-bounded agents. By introducing a combination of symbolic representation with Bayesian reasoning, we demonstrate both theoretical and empirical improvements to a general-purpose imitation system originally based on a model of infant social learning. We also show how prior task knowledge and selective attention can be rigorously incorporated via loss matrices and Automatic Relevance Determination respectively.