<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f65e76ab9a3_-_brussels-sprout-bacon-gruyere-frittata-recipe-fw0114-syn2.jpg>
<http://www.delish.com/cooking/g923/frittatas/>