<http://schema.org/dateModified>
"2011-09-06T10:04:29-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/Energy-Industry/2011/09/06/UK-set-for-its-own-oil-spill-response/UPI-93241315317869/?rel=37331315833012>