<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://forum.el-wlid.com/tags/%CF%ED%DF%E6%D1%C7%CA%20%DB%D1%DD%20%E4%E6%E3%202012-page10.html>