<http://schema.org/headline>
"RIM deems BlackBerry OS 6.1 a 'major upgrade,' promises a spring release"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2011/03/24/rim-deems-blackberry-os-6-1-a-major-upgrade-promises-a-spring/>