<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/?categoryname=foo&categoryid=ymCstSPG20WD3qGIlYjO4w&page=1&s=averagerating&w=false&sort=PriceAsc>