<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6506a20c6b_-_june-recipes-sour-cream-pea-vinegar-ba7ddt-mdn.jpg>
<http://www.delish.com/entertaining/g1408/all-bacon-summer-cookout/>