<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2012/08/24/Mitt-Romneys-schedule-for-Aug-24/88961345804724/>
<http://www.upi.com/Top_News/US/2012/08/24/Mitt-Romneys-schedule-for-Aug-24/UPI-88961345804724/?rel=47821346105473>