<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/10/480x360/54f5f65575344_-_grand-openings-house-entrance-lgn.jpg>
<http://www.womansday.com/home/decorating/g314/the-perfect-front-door-124280/>