<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-John-Conlee-tickets-at-Choctaw-Casino-Hotel---Pocola-CenterStage--Pocola-Oklahoma-05-10-2014/476223>