<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbu.h-cdn.co/assets/cm/15/04/54c15f53402e3_-_hbx-purple-interior-door-1011-de.jpg>
<http://www.housebeautiful.com/room-decorating/colors/a2331/interior-door-paint-colors/>