The CO-ODE and HyOntUse projects aim to provide support for communities interested in OWL by developing materials, enhancing tools, and looking at some of the theoretical problems to help form usable solutions before big problems arise.
N. Noy, R. Fergerson, and M. Musen. 2nd International Conference on Knowledge Engineering and Knowledge Management (EKAW'2000), Juan-les-Pins, France, (2000)