Knowledge representation

  • Authors:
  • Patrick J. Hayes

  • Affiliations:
  • -

  • Venue:
  • Encyclopedia of Computer Science
  • Year:
  • 2003

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Abstract

The term knowledge representation was originally used in artificial intelligence (AI) to refer to the encoding of knowledge that an intelligent program would seem to require in order to plan, observe or draw conclusions. It is now understood more broadly to refer to any organized body of general knowledge, including large-scale repositories of information intended largely for human use. The distinction between "knowledge" and "data" (as in "database") is not precise, but knowledge representation (KR) is usually taken to refer to the representation of general knowledge that can support some nontrivial reasoning.