<http://schema.org/dateModified>
"2013-05-23T11:11:01-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/Security-Industry/2013/05/23/SAIC-to-support-Navys-ARC-program/UPI-12871369321861/?rel=65721371055090>