Sowa, John F. Knowledge representation : logical, philosophical, and computational foundations / John F. Sowa. - Pacific Grove : Brooks/Cole, 2000. - xiv, 594 p. : ill. ; 25 cm. Includes bibliographical references (p. 549-573) and indexes. ISBN: 0534949657 RM253.06 LCCN: 98-005070 Subjects--Topical Terms: Knowledge representation (information theory)