<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%2Fd964eb9377%2Fwow-pad-5-x-7-laptop-notebook-mouse-pad-notre-dame%3Finternal_campaign%3Dchannel>