<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://cdon.no/b%C3%B8ker/dietl%2C_erhard/unsere_sch%C3%B6nsten_h%C3%B6rgeschichten_f%C3%BCr_jungs-13475924>