<http://schema.org/headline>
"Justin Bieber tweets plans to stay 'positive' amid meltdown rumors"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/blog/2013/03/06/Justin-Bieber-tweets-plans-to-stay-positive-amid-meltdown-rumors/2891362606517/?rel=4301364321423>