<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/120V-Line_Voltage/Dimmers/4.560-4%22_--_under_5%22-Height_(in)/results.aspx?Ns=P_List+Price%7C0>