<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x1262/548f0ddf0f552_-_rbk-1013-christina-aguilera-4-s2.jpg>
<http://www.redbookmag.com/life/interviews/g1933/christina-aguilera-interview/>