<http://schema.org/query-input>
"required name=search_term"^^<http://www.w3.org/2001/XMLSchema#string>
<https://store.kobobooks.com/en-us/category/human-resources-personnel-management?categoryname=Human_Resources_Personnel_Management&categoryid=Eob7u-0uc0imRWpWVmq8Bw&page=1>