<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Unterbau-Spueler/39161877_AEG-FAVORIT-F-65712-UM0P-A-Unterbau-XXL-Innenraum.html>