<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vilne.org.ua/2016/09/%d0%b1%d0%b8%d1%82%d0%b2%d0%b0-%d0%b7%d0%b0-%d1%82%d0%b5%d0%b0%d1%82%d1%80/>