<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f8f7a7d80ac_-_mexican-meatballs-recipe-wdy0314-de.jpg>
<http://www.delish.com/cooking/g1753/best-meatball-recipes/>