<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54c050a3f0b36_-_27-mcalpine11-0410-mdn.jpg>
<http://www.housebeautiful.com/room-decorating/colors/g1217/gray-living-rooms/>