<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wd.com/Brakes-Steering/Tie-Rod-End.aspx?t_c=65&t_s=430&t_pt=4140&t_pn=OAI18043.04>