<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x92/54f922f3d7cae_-_pizza-margherita-194x112.jpg>
<http://www.delish.com/cooking/g1857/5-ingredient-dishes-recipes/>