@inproceedings{KEOD-2012-Exman,
	author        = "Iaakov Exman",
	booktitle     = "{Proceedings of the Fourth International Conference on Knowledge Engineering and Ontology Development}",
	isbn          = "978-989-8565-30-3",
	pages         = "401--404",
	publisher     = "{SciTePress}",
	title         = "{A Non-concept is Not a ¬Concept}",
	year          = 2012,
}