A Framework for Ontology Evolution in Collaborative Environments. - Natalya Fridman Noy; Abhita Chugh; William Liu; Mark A. Musen (ISWC, 2006)

The CKC Challenge: Exploring Tools for Collaborative Knowledge Construction. - Natalya Fridman Noy; Abhita Chugh; Harith Alani (IEEE Intell. Syst., 2008)