<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/T8_Lamps-Fluorescent_Ballasts_--_U--Bent-Ballasts-Category/$10_--_$20/3-Number_of_Lamps/results.aspx?Ns=P_List+Price%7C0>