1. Title of Domain Theory: Domain theory for Othello in Prolog. Used in research on generating features for inductive learning systems. 2. Sources: Tom Fawcett (fawcett@cs.umass.edu) COINS Deptartment, LGRC University of Massachusetts Amherst, MA 10373 February, 1991. 3. Past Usage: "A Hybrid Empirical/Analytical Method for Feature Generation", COINS Technical Report 91-8, University of Massachusetts, Amherst, MA 4. Relevant Information Paragraph: The Code ("othello.theory") is well documented. 5. Type of Domain: Relational