Wagner, Gerd, 1957-, Foundations of knowledge systems : with applications to databases and agents / by Gerd Wagner - xxix, 296 páginas - Kluwer International series on advances in database systems ; 13 . ISBN: 0792382129 (papel libre de acido) Subjects--Topical Terms: Sistemas expertos (Computación) LC Class. No.: QA76.76E95 / W34 Dewey Class. No.: 006.3/3