<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f64fa4ee09f_-_rbk-chocolate-cannoli-cake-1-0410-5bwjey-xl.jpg>
<http://www.delish.com/cooking/g482/sponge-cake-recipes/>