<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Interior-Parts-Accessories/Sound-Wedges.aspx?t_c=9&t_s=500&t_pt=7771&t_pn=RUG13004.37>