<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x576/54ff06b3ae08d-ghk-rudis-organic-whole-wheat-hamburger-buns-0710-s3.jpg>
<http://www.goodhousekeeping.com/food-products/g542/favorite-summer-foods/>