<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/Fluorescent_Ballasts_--_Compact_(CFL)_Plug_In/$20_--_$30/2_x_40W_--_49W/2-Number_of_Lamps/results.aspx?Ns=P_List+Price%7C0&pid=358>