<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/252925/%D9%81%D8%AA%D8%AD-%D8%AE%D8%B7-%D8%A7%D9%8A-%D8%AF%D9%88%D9%84%D9%87-880>