<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/default/womens-ak?prefn1=filterColor&prefn2=variationSize&prefv1=Pattern%7CBlue&prefv2=XL&collectionID=womens-ak>