<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cos.h-cdn.co/assets/cm/14/25/539fbe538a80d_-_cos-1012-texts-de-mscn.jpg>
<http://www.cosmopolitan.com/lifestyle/advice/g2327/random-studies/?click=rel>