<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-NSAA-State-Wrestling-Championships-tickets-at-CenturyLink-Center---Omaha-Omaha-NE-02-21-2014/229549>