<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/980x1173/5489fb1b2a401_-_rbk-rib-recipe-0913-3-s2.jpg>
<http://www.redbookmag.com/food-recipes/recipes/g674/how-to-make-barbecue-ribs/>