<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/womens-gloves-mitts?prefn1=filterColor&prefn2=instock&prefv1=Orange&prefv2=true&collectionID=womens-gloves-mitts>