<http://schema.org/headline>
"Sharapova and Vujacic call it quits"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Sports_News/2012/09/01/Sharapova-and-Vujacic-call-it-quits/UPI-63951346520276/?spt=mps&or=3>