<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/54caeb111bfad_-_next-xprize-02-0512-mdn.jpg>
<http://www.popularmechanics.com/technology/a7771/what-will-the-next-multimillion-dollar-x-prize-be-8583322/>