<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://cdon.se/b%C3%B6cker/lagercrantz%2C_david/jag_%C3%A4r_zlatan_ibrahimovic%3F_%3A_min_historia-16989215>