<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x368/54cabb6b8a3dd_-_parrot-ar-3-xl-94476688.jpg>
<http://www.popularmechanics.com/technology/robots/g470/robots-pictures-ces-2011/>