<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Dunstabzugshauben/47843310_Amica-KH-17183-E-Kaminhaube-90-cm-Edelstahl-Glasschirm.html>