<http://schema.org/headline>
"Ship risks to whales in S. Calif. studied"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2013/03/25/Ship-risks-to-whales-in-S-Calif-studied/UPI-52171364259873/?st_rec=47111364512214>