<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/11/24/gaming_blackops_mappack3_6.jpg>
<http://www.digitalspy.com/gaming/call-of-duty/news/a364989/call-of-duty-saw-40-million-active-users-in-2011/>