<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f648a699310_-_mmus-grilled-zucchini-pizzas-recipe-fw0912-u3d6ok-pfougd-xl.jpg>
<http://www.delish.com/cooking/g306/unconventional-pizza-toppings/?src=shelter_footer>