<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.genengnews.com/Login.aspx?ReturnURL=%2Fgen-podcasts%2Fx-files-of-biology-large-scale-gene-silencing-mystery-solved%2F243%2F>