<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-Tucson-Symphony-Orchestra-Cherish-The-Ladies-tickets-at-Tucson-Music-Hall-Tucson-AZ-03-22-2014/434618>