<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/34610/Panasonic-DECT-6.0-Expandable-Digital-Cordless-Phone-With-All-Digital-Answering-System-KXTG9343T.html>