<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/12/41/gaming_blackops2_celerium.jpg>
<http://www.digitalspy.com/gaming/call-of-duty/news/a462681/call-of-duty-series-added-to-xbox-games-on-demand-sale/>