<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/reference-12?categoryname=foo&categoryid=BWHiIfk19k6qHlh5tNZf3g&page=1&s=publicationdatedesc&w=false>