<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://sev.h-cdn.co/assets/cm/15/07/54da5bf36681b_-_11-spinach-salad-recipe-cal-0111-smn.jpg>
<http://www.seventeen.com/life/food-recipes/advice/a153/healthy-recipes-hsp-0306/>