<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/55003f267eb9d-clear-home-water-filtration-system-applica-fb.jpg>
<http://www.goodhousekeeping.com/institute/g1844/good-buy-awards-2008/?src=shelter_footer>