<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/15/43/pineapple-pulled-pork-pizza-with-bacon-jalapenos-cilantro-by-five-heart-home_700pxzoom.jpg>
<http://www.delish.com/cooking/g269/homemade-pizza-recipes/?src=shelter_footer>