<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/21/480x576/gallery-54fdca65126d7-pesto-mozzarella-pizzas-s3.jpg>
<http://www.goodhousekeeping.com/food-recipes/g823/pizza-recipes/?src=shelter_footer>