<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x576/55005b9bb9164-expensive-heating-costs-original-s3.jpg>
<http://www.goodhousekeeping.com/life/money/advice/g2233/save-more-money/?src=shelter_footer>