<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bd.nl/regio/waalwijk-heusden-e-o/waalwijk/leerlingen-openen-wandelroute-plantloon-in-waalwijk-1.6530502>