<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Heating-Cooling/Defroster-Duct.aspx?t_c=84&t_s=519&t_pt=6054&t_pn=OAI17907.03>