<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://clv.h-cdn.co/assets/cm/15/09/54eb2ce234123_-_clx-fig-walnut-pie-de-95029488.jpg>
<http://www.countryliving.com/food-drinks/g962/custard-pie-recipes/>