A Hybrid Architecture for Situated Learning of Reactive Sequential Decision Making

  • Authors:
  • Ron Sun;Todd Peterson;Edward Merrill

  • Affiliations:
  • NEC Research Institute and University of Alabama, 4 Independence Way, Princeton, NJ 08540. rsun@cs.ua.edu;The University of Alabama, Tuscaloosa, AL 35487;The University of Alabama, Tuscaloosa, AL 35487

  • Venue:
  • Applied Intelligence
  • Year:
  • 1999

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Abstract

In developing autonomous agents, one usually emphasizesonly (situated) procedural knowledge, ignoring more explicitdeclarative knowledge. On the other hand, in developing symbolicreasoning models, one usually emphasizes only declarative knowledge,ignoring procedural knowledge. In contrast, we have developed alearning model CLARION, which is a hybrid connectionist modelconsisting of both localist and distributed representations, based onthe two-level approach proposed in [40]. CLARION learns andutilizes both procedural and declarative knowledge, tapping into thesynergy of the two types of processes, and enables an agent to learnin situated contexts and generalize resulting knowledge to differentscenarios. It unifies connectionist, reinforcement, and symboliclearning in a synergistic way, to perform on-line, bottom-uplearning. This summary paper presents one version of the architectureand some results of the experiments.