<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.osc.org/index.php/templates/yoo_level/lib/js/addons/index.php?option=com_jcalpro&Itemid=146&extmode=view&extid=413764&date=2014-02-22>