<http://schema.org/dateModified>
"2013-03-05T14:07:06-05:00"^^<http://schema.org/Date>
<http://www.upi.com/Top_News/World-News/2013/03/05/N-Korea-threatens-to-nullify-war-truce/UPI-83121362495083/?rel=70181362587366>