<http://schema.org/dateModified>
"2013-04-30T12:11:13-04:00"^^<http://schema.org/Date>
<http://www.upi.com/Entertainment_News/TV/2013/04/30/Maria-Shriver-returns-to-NBC-as-special-anchor/UPI-16721367338273/?rel=9051367877747>