<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/World-News/2010/04/08/Obama-Medvedevs-remarks-at-pact-signing/27651270750998/>
<http://www.upi.com/Top_News/World-News/2010/04/08/Obama-Medvedevs-remarks-at-pact-signing/UPI-27651270750998/>