<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://www.tanga.com/users/new?return_path=%2Fdeals%2F53a249cbeb6c%2Foregon-state-36x12-canvas-print%3Finternal_campaign%3Dchannel>