<http://schema.org/headline>
"IBM's Watson is really smart, will try to prove it on Jeopardy! this fall (video)"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2010/06/17/ibms-watson-is-really-smart-will-try-to-prove-it-on-jeopardy/>