<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://elementalracetiming.com/?plugin=all-in-one-event-calendar&controller=ai1ec_exporter_controller&action=export_events&cb=909506722&ai1ec_post_ids=1358>