<http://schema.org/target>
"http://www.baustoffshop.de/catalogsearch/result/?q={search_term_string}"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.baustoffshop.de/flex-d150-15-se-p100-ve50-klett-schleifpapier-selectflex.html>