<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%2F1c8bb9677757%2Fnew-balance-heart-rate-monitor%3Finternal_campaign%3Dchannel>