<http://schema.org/about>
"A swarm of tornadoes that tore through the Midwest and Southeast in early March has earned the grim title of the nation's first billion-dollar weather disaster"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/earth-matters/climate-weather/stories/march-tornadoes-are-years-first-billion-dollar-disaster>