<http://schema.org/dateModified>
"2013-08-19T14:07:19-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Science_News/Blog/2013/08/19/Fracking-led-to-109-earthquakes-in-Youngstown-Ohio-study-finds/8691376934516/?rel=6761376924649>