<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/54f933ec05d1e_-_spaghetti-squash-salad-pine-nuts-tarragon-th2.jpg>
<http://www.delish.com/cooking/a38170/spaghetti/>