<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb7dfabb8bd_-_just-you-and-friends-mdn.jpg>
<http://www.womansday.com/food-recipes/cooking-tips/tips/g121/state-of-the-art-slow-cookers-21723/?src=shelter_footer>