<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://elrecreativo.com/?view=weblink&catid=2%3Ajoomla-specific-links&id=39%3Acomunidad-autonoma-vasca&option=com_weblinks&Itemid=892>