<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.comtech.de/computer-und-zubehoer/hardware/controller-usb-raid/inline-pcie-schnittstellenkarte-4x-usb-3.0-2-2-inkl.-low-profile-slotblech>