<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.srf.ch/?von=2.2.02&bis=2.2.02&query=&inurl=de/drs1/sendungen/echo-der-zeit&datefilter=custom&page=2>