<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ccpdt.org/?option=com_phocadownload&view=category&download=56%3Aprotection-of-the-public&id=30%3Agoverning-documents&Itemid=143>