<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe82cd0caa5-kids-playing-videos-lgn.jpg>
<http://www.goodhousekeeping.com/life/parenting/tips/a16254/about-video-game-ratings/>