<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54c050a43d2b2_-_28-showhouse-0109-mdn.jpg>
<http://www.housebeautiful.com/room-decorating/colors/g1217/gray-living-rooms/>