<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.sealsystems.ie/index.php?option=com_docman&task=cat_view&gid=24&Itemid=45&mosmsg=The+file+is+not+available+on+the+server>