<http://schema.org/query-input>
"required name=search_term_string"^^<http://www.w3.org/2001/XMLSchema#string>
<http://itknowledgeexchange.techtarget.com/itanswers/page/117/?state=-1&returnto=%2525252Fitanswers%2525252Fimporting-a-phpbb-forum-into-the-dotnetnuke-forum%2525252F>