<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/05/320x426/54cb244c73f3f_-_lifesaving-robots-01-1213-de.jpg>
<http://www.popularmechanics.com/military/g1365/4-radically-advanced-robots-competing-in-the-darpa-challenge/>