<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vilne.org.ua/2016/04/%d1%82%d0%b5%d1%80%d0%bd%d0%be%d0%bf%d1%96%d0%bb%d1%8c%d1%81%d1%8c%d0%ba%d0%b8%d0%b9-%d1%88%d0%ba%d0%be%d0%bb%d1%8f%d1%80-%d0%be%d0%b4%d0%b8%d0%bd-%d0%b7-%d0%ba%d1%80%d0%b0%d1%89%d0%b8%d1%85/>