<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f93af5332ab_-_meatball-soup-xl-21356360.jpg>
<http://www.delish.com/cooking/g2117/ground-beef-recipes-021709/>