<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.cyberport.de/apple-macbook-pro-13-3-retina-2-9-ghz-i5-8-gb-256-gb-ii6100-bto-1A09-04G_8465.html>