<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.spitishop.gr/%CE%A7%CE%B1%CE%BB%CE%B9%CE%AC/%CE%A7%CE%B1%CE%BB%CE%B9%CE%B1-%CE%9A%CF%81%CE%B5%CE%B2%CE%B1%CF%84%CE%BF%CE%BA%CE%B1%CE%BC%CE%B1%CF%81%CE%B1%CF%82-c-211_277.html>