<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Fabrication-Tools/Spindle-Nut-Socket.aspx?t_c=86&t_s=530&t_pt=5715&t_pn=OAI16711.01>