<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.4wheelparts.com/Drivetrain-Differential/Clutch-Release-Bearing.aspx?t_c=12&t_s=511&t_pt=3840&t_pn=OAI16906.50>