<http://schema.org/dateModified>
"2012-09-06T07:44:06-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/Energy-Industry/2012/09/06/TransCanada-revises-Keystone-XL-route/UPI-64461346931846/?rel=88011349093527>