<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f6a97c4be22_-_jerusalem-artichoke-gratin-recipe-mslo1210-xl.jpg>
<http://www.delish.com/cooking/g2066/gratin-mslo1210/>