<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Interior-Parts-Accessories/All-Terrain-Cargo-Liner.aspx?t_c=9&t_s=272&t_pt=8959&t_pn=RUG12975.03>