<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-Cincinnati-Pops-Orchestra-Pops-Orchestral-Spectacular-tickets-at-Riverbend-Music-Center-Cincinnati-OH-06-07-2014/498238>