<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-Duke-Blue-Devils-at-North-Carolina-Tar-Heels-Basketball-tickets-at-Dean-Smith-Center-Chapel-Hill-NC-02-20-2014/25297>