<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Drivetrain-Differential/Dana-300-Input-Shaft.aspx?t_c=12&t_s=116&t_pt=9287&t_pn=OAI18674.16>