<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/US/2013/03/26/Dog-finds-hiker-trapped-for-days/37391364296891/>
<http://www.upi.com/Top_News/US/2013/03/26/Dog-finds-hiker-trapped-for-days/UPI-37391364296891/>