<http://schema.org/headline>
"More: Unclear if man shot to death at Houston airport died of self-inflicted wounds - @NBCNews"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.breakingnews.com/item/2013/05/02/more-unclear-if-man-shot-to-death-at-houston-airport-died-of-self-inf/>