<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/World-News/2013/03/19/Bombs-attacks-kill-at-least-50-in-Baghdad/17431363692776/>
<http://www.upi.com/Top_News/World-News/2013/03/19/Bombs-attacks-kill-at-least-50-in-Baghdad/UPI-17431363692776/?rel=78151363785361>