<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.travelocity.com/Cruises?portIdList=%257C3%257C29%257C161%257C72%257C541%257C505%257C729%257C472%257C465%257C464%257C456%257C438%257C399%257C21%257C225%257C76%257C&portId=29>