<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.frmtr.com/kitap-okumak-ve-kitap-tanitimlari/5673839-2-tam-1-tek-bulent-gardiyanoglu-kitap-timi.html>