<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]=431&cHash=b55f802e685cb1adf3be381e469fa02a>