<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://itknowledgeexchange.techtarget.com/itanswers/page/14/?tt_nocache=1%5C%5C%5C%5C%5C%5C%5C%5C%5C'%22>