<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.wau.edu/?option=com_content&view=article&id=964%3Asummer-2010-commencement-ceremony-video&catid=537%3Acommencement-ceremony-summer-2010&Itemid=916>