<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/980x551/54fed6e68da7c-ghk-mb-nice-sort-a-neat-s2.jpg>
<http://www.goodhousekeeping.com/institute/g637/most-pinned-products-march-2013/>