<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54c8798c8d9d4_-_07-orion-cooker-0707-24246604.jpg>
<http://www.popularmechanics.com/technology/gadgets/a1746/4217950/>