<http://schema.org/headline>
"Banksy's Olympic street art bucks London graffiti crackdown"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/blog/2012/07/25/Banksys-Olympic-street-art-bucks-London-graffiti-crackdown/2391343228856/ph2/>