<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vilne.org.ua/2016/07/%d1%83-%d1%87%d0%b8%d1%97-%d1%80%d1%83%d0%ba%d0%b8-%d0%b2%d1%96%d0%b4%d0%b4%d0%b0%d1%94%d0%bc%d0%be-%d0%b4%d1%83%d1%88%d1%96/>