<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://hbz.h-cdn.co/assets/cm/15/04/320x408/54bcfc9c593f0_-_hbz-katy-perry-2010-metgala-1210-de-25700215.jpg>
<http://www.harpersbazaar.com/celebrity/party-pictures/g1313/katy-perry-red-carpet-pictures-1210/>