<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Stand-Spueler/37646515_Siemens-SN-26-P-230-EU-EEK-A-13-Massgedecke-44-dB-Edelstahl-weiss.html>