<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f8f3447ecd9_-_baked-pasta-meatballs-spinach-recipe-wdy1113-de.jpg>
<http://www.delish.com/cooking/g1753/best-meatball-recipes/>