Intelligent Agents: The Key Concepts

  • Authors:

  • Michael Wooldridge

  • Affiliations:

  • -

  • Venue:
  • Proceedings of the 9th ECCAI-ACAI/EASSS 2001, AEMAS 2001, HoloMAS 2001 on Multi-Agent-Systems and Applications II-Selected Revised Papers
  • Year:
  • 2002

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Abstract

This chapter aims to introduce the reader to the basic issues surrounding the design and implementation of intelligent agents. It begins by motivating the idea of an agent, presents a definition of agents and intelligent agents. The article then goes on to discuss four major approaches to building agents. First, logic based architectures are reviewed, in which decision-making is viewed as logical deduction. Second, reactive architectures are discussed, in which symbolic representations and models are eschewed in favour of a closer relationship between agent perception and action. Third, we discuss belief-desire-intention architectures, in which decision making is viewed as practical reasoning from beliefs about how the world is and will be to the options available to an agent, and finally to intentions and actions. Fourth, we review layered agent architectures, in which decision making is partitioned into a number of different decision making layers, each dealing with the agent's environment at a different level of abstraction.