<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Odd_News/2013/05/05/Man-gets-back-class-ring-lost-31-years-ago/UPI-18591367780819/?spt=hs&or=on>