<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://vilne.org.ua/2016/01/%d1%81%d0%bf%d1%80%d0%b0%d0%b2%d0%b0-%d0%b9%d0%be%d0%b3%d0%be-%d0%b6%d0%b8%d0%b2%d0%b5-%d0%b9-%d0%bf%d0%b5%d1%80%d0%b5%d0%bc%d0%b0%d0%b3%d0%b0%d1%94/>