<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fe8a55e2812-black-bean-burger-0210-recipe-lgn.jpg>
<http://www.goodhousekeeping.com/food-recipes/g1553/burger-recipes/?src=shelter_footer>