<http://schema.org/target>
"http://www.upi.com/search?ss={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Entertainment_News/Music/2013/07/29/Katy-Perry-sings-on-Britney-Spears-Smurfs-2-song/UPI-53841375115737/?st_rec=70791375116390>