<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f94b3ee9a07_-_11509446644_415a375ecb_z-lgn.jpg>
<http://www.delish.com/cooking/news/a39620/baked-pasta-cheese-recipes-clv0314/>