<http://schema.org/query-input>
"required name=search_keywords"^^<http://www.w3.org/2001/XMLSchema#string>
<http://ejaba.net/163805/%D9%85%D8%AD%D9%8A%D8%B7-%D9%84%D8%A7-%D9%8A%D9%85%D8%B3-%D9%83%D9%86%D8%AF%D8%A7>