<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://esq.h-cdn.co/assets/cm/15/07/768x516/54dafa5cb1bc7_-_97-esq-gliese-581-system-xl-66075659.jpg>
<http://www.esquire.com/news-politics/g696/best-of-2010-1210/>