<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Mikrowellen/38332278_Whirlpool-JT-469-SL-Kombi-Mikrowelle-Grill-Heissluft-silber.html>