<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f9db3a753c4_-_fajita-burgers-ew0610-xl.jpg>
<http://www.delish.com/entertaining/g2476/easy-hamburger-recipes/?click=main_sr>