<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/Ballasts/$10_--_$50/T5/1.000-1%22_--_under_2%22-Height_(in)/1.300-1%22_--_under_2%22-Width_(in)/results.aspx>