<http://schema.org/headline>
"HP files for 'Zeen' and 'Airlife' trademarks for handheld devices"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2009/12/30/hp-files-for-zeen-and-airlife-trademarks-for-handheld-device/>