<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f645701e80a_-_yams-bing-cherry-butter-recipe-rbk1112-wwxz4h-xl.jpg>
<http://www.delish.com/cooking/g178/yam-recipes/>