<http://schema.org/dateModified>
"2013-11-18T15:26:36-05:00"^^<http://schema.org/Date>
<http://www.upi.com/Science_News/2013/11/18/NASA-Mars-probe-MAVEN-begins-10-month-trip-to-Mars/UPI-53881384759800/?spt=hts&or=7>