<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://www.digitalspy.com/showbiz/news/a432275/barack-obama-jay-z-asked-me-for-parenting-tips/>
<http://www.digitalspy.com/showbiz/news/a432275/barack-obama-jay-z-asked-me-for-parenting-tips/>