<http://schema.org/query-input>
"required name=search_terms"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.creta.gr/search.php?action=results&page=1&search_terms=%CE%A4%CE%A3%CE%99%CE%9C%CE%95%CE%9D%CE%A4%CE%9F%CE%A3%CE%A9%CE%9B%CE%97%CE%9D%CE%95%CE%A3>