<http://schema.org/about>
"Video: NBC reports on the troubled, drug-filled life of Amy Winehouse, and talks with an addiction expert about whether an untimely death was inevitable for the"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/health/fitness-well-being/videos/battling-addiction-could-amy-winehouse-have-been-saved>