Aldo Gangemi; Guus Schreiber; Mark van Assem. <a href="http://www.w3.org/TR/2006/WD-wordnet-rdf-20060619"><cite>RDF/OWL Representation of WordNet.</cite></a> 19 June 2006. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2006/WD-wordnet-rdf-20060619">http://www.w3.org/TR/2006/WD-wordnet-rdf-20060619</a>