<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x320/54fef1e6b1c7e-mexican-pizza-grdjku-xl.jpg>
<http://www.goodhousekeeping.com/food-recipes/g823/pizza-recipes/?src=shelter_footer>