<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://roa.h-cdn.co/assets/cm/14/47/980x598/546b5754d939a_-_factoring-in-the-fun-lg.jpg>
<http://www.roadandtrack.com/car-culture/a11016/factoring-in-the-fun/>