Links - Semantic Wikis
Jan 26 2009. derived from PHP Wikis and Knowledge Wikis.
Often referred to as "knowledge wikis", they are capable of providing some level of knowledge representation and management functions as well as the usual features available in traditional wikis. They may be the closest existing solution to some of the requirements for a Semantic Web ( however it gets defined ).
An interesting guide to 'add-hoc knowledge formalizations' - Capturing and Refactoring in Knowledge Wikis ( PDF, 1.6 MB ).