<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.osc.org/index.php/components/com_jcalpro/themes/default/images/index.php?option=com_jcalpro&Itemid=146&extmode=view&extid=426984&date=2014-08-22>