<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://pop.h-cdn.co/assets/cm/15/06/54cfda37a96ba_-_gas-apps-01-0714-lgn.jpg>
<http://www.popularmechanics.com/cars/g1584/5-free-apps-to-save-you-money-on-gas/>