@inproceedings{KEOD-2009-AlloccadM,
	author        = "Carlo Allocca and Mathieu d'Aquin and Enrico Motta",
	booktitle     = "{Proceedings of the First International Conference on Knowledge Engineering and Ontology Development}",
	isbn          = "978-989-674-012-2",
	pages         = "13--20",
	publisher     = "{INSTICC Press}",
	title         = "{DOOR — Towards a Formalization of Ontology Relations}",
	year          = 2009,
}