<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ticketmonster.com/buy-DePaul-Blue-Demons-at-Georgetown-Hoyas-Basketball-tickets-at-Verizon-Center-Washington-DC-12-31-2013/15258>