<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f64a1691b3d_-_bacon-salt-del0712-xl.jpg>
<http://www.delish.com/cooking/g347/burger-hot-dog-topping-ideas/?click=pp>