<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/768x516/550048a6932dd-homedics-sc405-hero-br-bathroom-scale-xl.jpg>
<http://www.goodhousekeeping.com/health-products/bathroom-scale-reviews/g2108/best-bathroom-scales-2009/>