Lucid Representations

  title={Lucid Representations},
  author={Ernest Davis},
This paper criticizes the widespread idea that knowledge bases in AI systems should be complete and that representations should be \model-like." The arguments in favor of such representations are less cogent and more ambiguous than they appear at rst. Levesque's suggestion that representations should be \vivid" is extremely restrictive, particularly in its uniform imposition of a closed-world assumption. Spatial representations that are adequate for reasoning about a wide range of physical… CONTINUE READING