<http://schema.org/headline>
"Head of BlackBerry's PlayBook Tablet, David Smith, Is Leaving"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wsj.com/article_email/SB10001424127887323610704578625902060806448-lMyQjAxMTAzMDIwNDEyNDQyWj.html>