<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ghk.h-cdn.co/assets/cm/15/11/54fefbdfc6979-1211-the-klutz-guide-to-the-galaxy-xl.jpg>
<http://www.goodhousekeeping.com/childrens-products/toy-reviews/g442/good-housekeeping-best-toy-awards-2011/>