<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2013/04/11/Immigration-bill-35B-for-border-security/30501365667200/>
<http://www.upi.com/Top_News/US/2013/04/11/Immigration-bill-35B-for-border-security/UPI-30501365667200/>