<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6512287e7c_-_cheddar-onion-smashed-burgers-recipe-fw0611-xl.jpg>
<http://www.delish.com/cooking/g576/cheeseburger-recipes/>