<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/980x1208/548a90cd6c001_-_rbk-zucchini-pizza-rbk0213-recipe-s2.jpg>
<http://www.redbookmag.com/food-recipes/recipes/g1496/homemade-pizza-recipes/>