<http://schema.org/headline>
"Great Lakes are still almost half frozen, potentially causing long-term effects"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2014/04/18/Great-Lakes-are-still-almost-half-frozen-potentially-causing-long-term-effects/9211397836436/?spt=mps&or=5>