<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x87/54f6619d96b1e_-_ghk-0614-food-tapas-burger-msc-eivcfi-96374182.jpg>
<http://www.delish.com/cooking/g1088/burger-toppings-ghk0714/>