<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://forum.el-wlid.com/tags/%C7%DD%DF%C7%D1%20%D1%E6%E3%C7%E4%D3%ED%C9%20%E1%E1%E3%CE%D8%E6%C8%ED%E4/>