<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/320x320/54f64e515ac42_-_ew-florentine-ravioli-frk9a7-acvuxk-xl.jpg>
<http://www.delish.com/cooking/g517/cheese-ravioli-recipes/?src=rss>