<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/980x653/54c4a7825d8ff_-_05-hbx-beautyrest-black-laralyn-1014-xln.jpg>
<http://www.housebeautiful.com/shopping/furniture/g2103/how-to-buy-a-bed-online/>