<http://schema.org/dateModified>
"2011-09-30T06:21:00-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Business_News/Energy-Industry/2011/09/30/Poland-to-veto-EU-shale-gas-rules/UPI-99231317378060/?rel=66041336132411>