<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-PBR---Professional-Bull-Riders-tickets-at-Mohegan-Sun-Arena-at-Casey-Plaza-Wilkes-Barre-PA-03-29-2014/474955>