Richard Cyganiak; Leo Sauermann. <a href="http://www.w3.org/TR/2008/NOTE-cooluris-20081203"><cite>Cool URIs for the Semantic Web.</cite></a> 3 December 2008. W3C Note. URL: <a href="http://www.w3.org/TR/2008/NOTE-cooluris-20081203">http://www.w3.org/TR/2008/NOTE-cooluris-20081203</a>