<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.cyberport.de/apple-mac-pro-3-7-ghz-quad-core-intel-xeon-e5-32gb-256gb-d300-bto-1006-45R_8468.html>