<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/53a08e5b6a47e_-_cos-1112-barack-obama-de-mscn.jpg>
<http://www.cosmopolitan.com/health-fitness/news/a10740/obama-election-2012/>