<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Standherde/46178170_AEG-COMPETENCE-49076IW-MN-EEK-A-Backauszug-Induktion-Exclusiv.html>