<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.codingforums.com/php/282262-problems-select-tags-one-huge-other-one-chained.html?s=b07f3f264c08c983312bda5c1803ffac>