<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54ffda384a74e-weimancarpet-cleaner-180.jpg>
<http://www.goodhousekeeping.com/institute/a24505/money-saving-cleaning-products/?src=shelter_footer>