<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f933ead652d_-_whole-wheat-spaghetti-caper-pesto-sauce-th2.jpg>
<http://www.delish.com/cooking/a38170/spaghetti/>