<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x400/5500423b3ea6b-winter-boots-doormat-s3.jpg>
<http://www.goodhousekeeping.com/home-products/doormat-reviews/g2013/best-doormats/>