<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.ecartec.com/index.php?id=7&L=4%2FMATERIALICA_2011_Ausstellerinformation.pdf&tx_ttnews[tt_news]=119&cHash=33ac3f90e54226cd796e4a5199c42eb5>