<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/160x213/54eb8e0de3e38_-_hey-buster-let-s-blow-this-joint-mdn.jpg>
<http://www.womansday.com/life/pet-care/g468/pet-photo-contest-1715/>