<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/715/%D9%85%D8%A7-%D9%87%D9%8A-%D8%A7%D9%84%D8%B3%D9%88%D8%B1%D8%A9-%D8%A7%D9%84%D8%AA%D9%8A-%D8%AA%D8%B9%D8%AF%D9%84-%D8%AB%D9%84%D8%AB-%D8%A7%D9%84%D9%82%D8%B1%D8%A2%D9%86>