<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x240/54cb24a3394ca_-_darpaone-07-1213-lgn.jpg>
<http://www.popularmechanics.com/technology/robots/g1383/live-from-the-darpa-robotics-challenge-16294421/>