<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Stand-Kuehl-Gefrierkombinationen/1817077_Neff-K-585-E-K5885X4-NoFrost-Edelstahl-Optik.html>