<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.wermuth.de/TV-LCD-bis-58/45392159_Panasonic-TX-55-CSW-524-FullHD-200Hz-SMART-Triple-Tuner-EEK-A.html>