<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Stand-Kuehl-Gefrierkombinationen/55088245_Panasonic-NR-BN-34-AW-2-weiss-A-2-Meter.html>