<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Bumpers-Tire-Carriers-Winch-Mounts/HD-Tire-Carrier-Mount.aspx?t_c=64&t_s=26&t_pt=3902&t_pn=RUG11585.01>