<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.abt.com/product/41759/Maytag-Ice2O-MFT2771WEB-Black-Bottom-Freezer-Refrigerator-MFT2771WEB.html?tab=1>