<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/13/14/david-tennant-matt-smith.jpg>
<http://www.digitalspy.com/tv/doctor-who/news/a528894/doctor-whos-david-tennant-matt-smith-confirmed-for-graham-norton-show/>