<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Tops/XHD-Replacement-Soft-Top.aspx?t_c=75&t_s=459&t_pt=3382&t_pn=RUG53723.52>