Kenneth D. Forbus Thomas Mostek Ronald W. Ferguson An Analogy Ontology for Integrating Analogical Processing and First-Principles Reasoning. 878-885 2002 conf/aaai/2002 AAAI/IAAI db/conf/aaai/aaai2002.html#ForbusMF02 http://www.aaai.org/Library/AAAI/2002/aaai02-130.php