<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/277V-Input_Volts/Fulham_Ballasts/0.90_--_1.20_Amps/4--Pin-Ballast_Lamp_Type/results.aspx>