<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.audible.fr/pd/Sciences-et-Sc-Humaines/Sa-Saintete-le-14eme-Dalai-Lama-Livre-Audio/B009F0ZNXA>