<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/youth-snowboard-jackets?prefn1=variationSize&prefn2=filterColor&prefv3=true&prefv1=2T&prefv2=Green&prefn3=instock&collectionID=youth-jackets>