<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://del.h-cdn.co/assets/cm/15/10/160x160/54f936ecb70b6_-_clv0910-red-velvet-cake-xl-34971555.jpg>
<http://www.delish.com/cooking/g2086/layer-cakes/>