<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.travelocity.com/Cruises?portIdList=%257C100%257C151%257C159%257C102%257C5460%257C437%257C408%257C357%257C355%257C2220%257C&portId=102>