Richard Tobin. <a href="http://www.w3.org/TR/2001/NOTE-xml-infoset-rdfs-20010406"><cite>An RDF Schema for the XML Information Set.</cite></a> 6 April 2001. W3C Note. URL: <a href="http://www.w3.org/TR/2001/NOTE-xml-infoset-rdfs-20010406">http://www.w3.org/TR/2001/NOTE-xml-infoset-rdfs-20010406</a>