<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/08/320x408/54ea367ccbdc2_-_blackberry-lemon-de.gif>
<http://www.countryliving.com/food-drinks/g178/how-to-make-layer-cake-0501/>