<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f94a450c06a_-_rbk-ham-grilled-cheese-rbk0312-recipe-lgn.jpg>
<http://www.delish.com/food/news/a39568/grilled-cheese-cake-recipes/>