<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/13/31/640x320/landscape_russell-brand-kat-perry.jpg>
<http://www.digitalspy.com/music/news/a506110/katy-perry-on-new-single-roar-its-about-my-time-in-therapy/>