<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Exterior-Parts-Car-Care/Windshield-Wiper-Arm.aspx?t_c=3&t_s=483&t_pt=6432&t_pn=OAI19710.02>