<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Top_News/US/2012/12/06/Dad-Mom-OK-in-walking-girl-from-hospital/UPI-34471354773175/?spt=hs&or=tn>