<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Drivetrain-Differential/Dana-18-Transfer-Case-Shift-Knob.aspx?t_c=12&t_s=513&t_pt=8091&t_pn=OAI18607.01>