<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f64a163acc7_-_the-counter-burger-del0812-de.jpg>
<http://www.delish.com/cooking/g347/burger-hot-dog-topping-ideas/?click=pp>