<http://schema.org/headline>
"Repsol invests in U.S. oil and gas play"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Business_News/Energy-Industry/2011/12/27/Repsol-invests-in-US-oil-and-gas-play/UPI-99031324989278/?rel=58741345807663>