<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://digitalspyuk.cdnds.net/11/47/music_ama_christina_aguilera.jpg>
<http://www.digitalspy.com/tv/the-voice/news/a380757/the-voice-tony-lucca-christina-aguilera-apologized-to-me/>