<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.cyberport.de/trekstor-surftab-breeze-9-6-quad-3g-tablet-16-gb-android-5-1-schwarz-1H18-00P_1530.html>