<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Stand-Kuehl-Gefrierkombinationen/51550614_Bosch-KGN-36-XW-45-A-NoFrost-VitaFresh-weiss.html>