<http://schema.org/target>
"http://www.upi.com/search?ss={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2013/05/15/Obama-hails-fallen-police-officers/UPI-59111368635839/?rel=10451368643761>