<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=variationSize&prefn2=filterColor&srule=Product%20Name%20-%20Ascending&prefv1=L&prefv2=Green>