<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-NFL-Preseason-Minnesota-Vikings-vs-Arizona-Cardinals-tickets-at-TCF-Bank-Stadium-Minneapolis-MN-08-16-2014/503304?aid=14849>