<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f64570479fb_-_recipe-grilled-pork-glazed-apples-yam-mash-1-0110-knepyt-de.jpg>
<http://www.delish.com/cooking/g178/yam-recipes/>