<http://schema.org/query-input>
"required name=search_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.centralpoint.nl/niet-gecategoriseerd/2e-interconnection/cat6a-s-ftp-patchkabel-awg26-pvc-rood-30m-art-s14a-000-22118-num-6408455/>