A version of this paper is published in SIGKDD Explorations, Volume 1, Issue 2. It may or may not be somewhat modified from the present version. This paragraph will be replaced by the facts when I get them.
See Appearance and Reality for a puzzle concerning finding the phenomena (reality) behind an appearance.Up to: Main McCarthy page
Email comments to firstname.lastname@example.orgThe number of hits on this page since 1996 August 9.