<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/480x576/54ff1c82df85f-ghk-0410-duncan-hines-classicyellow-s3.jpg>
<http://www.goodhousekeeping.com/institute/g716/most-pinned-products-may-2013/>