<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2012/08/03/Restrictions-hamper-DNC-fundraising/52351344003849/>
<http://www.upi.com/Top_News/US/2012/08/03/Restrictions-hamper-DNC-fundraising/UPI-52351344003849/>