<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.e-okna.pl/zdjecia-okien/oknoplast-krakow-sp-z-o-o-53/oknoplast-krakow-sp-z-o-o-401.html>