<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.stmarkboston.org/?option=com_gcalendar&view=event&eventID=hkh69am2s8n38be1am1d6m46io_20130207T110000Z&gcid=1&Itemid=239&ml=1>