<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/54fe59ffd5777-arugula-salad-pizza-recipe-ghk1013-xln.jpg>
<http://www.goodhousekeeping.com/food-recipes/g823/pizza-recipes/?src=shelter_footer>