<http://schema.org/dateModified>
"2012-11-14T14:36:35-05:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/Security-Industry/2012/11/14/Lockheed-submits-Space-Fence-proposal/UPI-77471352921795/?spt=hs&or=si>