<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ff2d794c135-pumpkin-pie-pecan-brittle-04hudg-mdn.jpg>
<http://www.goodhousekeeping.com/food-recipes/dessert/g822/pie-recipes/>