<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/160x213/54eb4a8baac9f_-_clx-potato-root-vegetable-gratin-mdn.jpg>
<http://www.countryliving.com/food-drinks/g1094/potatoes/?click=smart&kw=ist&src=smart&mag=CLG&link=>