Carlos A Velasco; Johannes Koch. <a href="http://www.w3.org/TR/2008/WD-Content-in-RDF-20080908"><cite>Representing Content in RDF.</cite></a> 8 September 2008. W3C Working Draft. (Work in progress.) URL: <a href="http://www.w3.org/TR/2008/WD-Content-in-RDF-20080908">http://www.w3.org/TR/2008/WD-Content-in-RDF-20080908</a>