<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%2F623a7c12f3%2Fsamsung-galaxy-s4-exclusive-faux-leather-diary-flip-case-lavender-pink>