<http://schema.org/dateModified>
"2013-12-23T21:18:08-05:00"^^<http://schema.org/Date>
<http://www.upi.com/Health_News/2013/12/23/US-travel-health-notice-for-travelers-to-St-Martin/UPI-73241387851488/?spt=mps&or=2>