<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f63efb048e9_-_o-scallion-frittata-manchego-cheese-recipe-fw0113-oycqwg-xl.jpg>
<http://www.delish.com/cooking/g923/frittatas/>