<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/general-web-building/283488-how-best-present-multiple-language-options.html?s=d04fa1cabb3526acbbf2bb82d95360c9>