<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f64293ddb16_-_mld103607_0708_beef_brgr_sxl-2.jpg>
<http://www.delish.com/entertaining/g2476/easy-hamburger-recipes/?click=main_sr>