@article {304,
	title = {OWL 2 Web Ontology Language: Primer},
	year = {2009},
	month = {10/27/2009},
	pages = {W3C Recommendation},
	url = {http://www.w3.org/TR/2009/REC-owl2-primer-20091027},
	author = {Pascal Hitzler and Markus Kr{\"o}tzsch and Bijan Parsia and Peter F. Patel-Schneider and Sebastian Rudolph}
}
