<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.matthewmeadstyle.com/?option=com_content&view=article&id=225%3Apear-custard-gingerbread-cake&catid=21%3A2008-fall-open&Itemid=140>