D. Tsarkov, and I. Horrocks. Proc. of the Int. Joint Conf. on Automated Reasoning (IJCAR 2006), volume 4130 of Lecture Notes in Artificial Intelligence, page 292--297. Springer, (2006)
Y. Sure, S. Bloehdorn, P. Haase, J. Hartmann, and D. Oberle. Proceedings of the 12th Portuguese Conference on Artificial Intelligence - Progress in Artificial Intelligence (EPIA 2005), volume 3803 of LNCS, page 218 - 231. Covilha, Portugal, Springer, (December 2005)
E. Sirin, and B. Parsia. Proceedings of the 2004 International Workshop on Description Logics (DL2004), Whistler, British Columbia, Canada, June 6-8, 2004, volume 104 of CEUR Workshop Proceedings, (2004)