<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<https://community.skype.com/t5/Discusi%C3%B3n-general-Archive/Creo-que-me-han-hackeado-mi-cuenta-y-deseo-recuperarla/td-p/231454>