Wibbit is a Mediawiki extension for Exhibit. With this extension, you can enjoy all the features of Exhibit with the collaborative editing power of Mediawiki.
H. Paoli, A. Schmidt, and P. Lockemann. Networked Knowledge - Networked Media: Integrating Knowledge Management, New Media Technologies and Semantic Systems, volume 221 of Studies in Computational Intelligence, Springer, (2009)