see http://www.mediawiki.org/wiki/Extension:SemanticFormsSelect for more information and examples.
Original code from https://code.google.com/p/semanticformsselect/downloads/list
This is an update to make it work with newer MediaWiki versions.
For instance, since AJAX methods are deprecated in newer MediaWiki versions, they have been updated to API ones.
It can still be considered a preliminary alpha version. Use with caution.
- Polish different options (such as newly added label)