<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x368/54cabb6bda1dd_-_irobot-ava-xlg-28747037.jpg>
<http://www.popularmechanics.com/technology/robots/g470/robots-pictures-ces-2011/>