<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/womens-snowboard-boots?prefn1=filterColor&prefn2=variationSize&prefv3=true&prefv1=Blue&prefv2=9.0&prefn3=instock&collectionID=womens-boots>