<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/over_$100/Ceiling-Fixtures-Category/24.750-20%22_+-Height_(in)/22.000-18%22_--_under_24%22-Diameter_(in)/Value_Brand/results.aspx>