<http://schema.org/headline>
"1 killed, another injured as University of Maryland student opens fire on his 2 housemates, turns gun on himself - @NBCWashington"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.breakingnews.com/item/2013/02/12/1-killed-another-injured-as-university-of-maryland-student-opens-fire/>