<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f8f7abb30d4_-_meatball-calzones-broccoli-provolone-recipe-wdy0314-de.jpg>
<http://www.delish.com/cooking/g1753/best-meatball-recipes/>