<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2012/10/30/Fire-at-BP-refinery-in-Texas-extinguished/76611351636482/>
<http://www.upi.com/Top_News/US/2012/10/30/Fire-at-BP-refinery-in-Texas-extinguished/UPI-76611351636482/?rel=39901351693157>