<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/11/54fdf0c10de79-raspberry-rhubarb-crumb-bars-recipe-ghk0514-s2-laif8l.jpg>
<http://www.delish.com/cooking/g1116/rhubarb-recipes/>