<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f65de1ca50b_-_root-vegetable-gratin-awdrpo-xlg.jpg>
<http://www.delish.com/cooking/g935/root-vegetable-recipes/>