<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/480x552/54eba52c86f0d_-_6-southwestern-burger-xl-36386168.jpg>
<http://www.womansday.com/food-recipes/food-drinks/g840/perfect-burger-recipe/>