<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Body-Parts-Roll-Cages-Frames/Liftgate-Ball-Stud.aspx?t_c=81&t_s=524&t_pt=101472&t_pn=OAI12012.30>