<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Sports_News/2013/05/20/Nieminen-wins-at-ATPs-Power-Horse-Cup/UPI-83431369076879/?spt=hs&or=sn>