<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x552/550048a94f25f-thinner-380-s-slf-bathroom-scale-xl.jpg>
<http://www.goodhousekeeping.com/health-products/bathroom-scale-reviews/g2108/best-bathroom-scales-2009/>