<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.laptophardware.hu/hp-probook-6560b-elitebook-8560p-compaq-8560p-8560w-hasznalt-laptop-alaplap-intel-646962-001-18054.html>