<http://schema.org/dateModified>
"2013-04-24T19:05:36-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/2013/04/24/Crude-oil-stockpiles-up-moderately-in-week/UPI-76661366844736/?spt=hs&or=bn>