<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.bulbs.com/%22Regular%22_(A--Shape)/120V_--_129V/A--21-Shape/Medium_(E26)-Base/results.aspx?Ns=P_Volts+Sort%7C0>