<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.taap.co.in/index.php?option=com_content&view=article&id=71:basic-scheme-of-the-cst-act-t&catid=38:cst&Itemid=46>