<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/11/54fdf2f4bd822-chicken-caesar-pitas-recipe-ghk1010-xl-xpe0g3-4994387.jpg>
<http://www.delish.com/cooking/g2072/caesar-salad/>