<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/320x320/54fe0d8458f56-pineapple-pork-tacos-recipe-0710-xl.jpg>
<http://www.goodhousekeeping.com/health/diet-nutrition/advice/g1686/supermarket-diet-recipes/>