<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/82428/KitchenAid-Empire-Frosted-Pearl-Pro-Line-Series-Espresso-Maker-With-Dual-Independent-Boilers-KES2102FP.html>