<http://schema.org/headline>
"S.T.A.L.K.E.R. Clear Sky coming to Steam day and date"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.engadget.com/2008/01/24/s-t-a-l-k-e-r-clear-sky-coming-to-steam-day-and-date/>