<http://schema.org/dateModified>
"2013-03-20T07:51:56-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Top_News/World-News/2013/03/20/Body-of-missing-skier-found-in-Canada/UPI-45391363780316/?spt=hs&or=tn>