<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.burton.com/mens-ak-collection/mens-collection-ak,default,sc.html?prefn1=variationSize&prefv1=XXS&prefn2=filterColor&prefv2=Black%7CGreen>