<http://schema.org/dateModified>
"2013-01-22T15:50:47-05:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/Security-Industry/2013/01/22/Israel-upgrades-missile-killer-Iron-Dome/UPI-42621358887847/?spt=mps&or=2>