<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/85011/ProMaster-Black-EN-EL14-a-XtraPower-Lithium-Ion-Replacement-Battery-For-Nikon-PRO6504.html>