<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/Close_to_Ceiling/5%22_--_under_10%22-Height_(in)/14.750-12%22_--_under_18%22-Diameter_(in)/results.aspx>