<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/2013/07/24/Poll-Economy-remains-top-problem/UPI-14761374671395/?rel=35751376917217>