<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/320x368/54ebdd5a1ac0c_-_wd-hous-numbers-2-twenty-three-xl.jpg>
<http://www.womansday.com/home/decorating/g1572/house-numbers/>