<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/Waschmaschinen-Frontlader/44659817_AEG-Lavamat-PFLEGE-FL-A-8-kg-1400-Touren-Silence-Motor-Exclusiv.html>