<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/Compact_Fluorescent_Screw--in/4.875-2%22_--_under_5%22-Length_(in)/A--19-Shape/Medium_(E26)-Base/results.aspx>