<http://schema.org/dateModified>
"2013-06-20T15:08:11-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Sports_News/2013/06/20/Heat-Spurs-game-leads-to-arrests-in-South-Florida/UPI-28381371755291/?spt=hs&or=sn>