[KPS+ 05] Aditya Kalyanpur, Bijan Parsia, Evren Sirin, Bernardo C. Grau, and James Hendler. Swoop: A web ontology editing browser. Web Semantics: Science, Services and Agents on the World Wide Web, 4(2):144–153, June 2005.
[LBF+ 06] C. Lutz, F. Baader, E. Franconi, D. Lembo, R. Möller, R. Rosati, U. Sattler, B. Suntisrivaraporn, and S. Tessaris. Reasoning Support for Ontology Design. In B. Cuenca Grau, P. Hitzler, C. Shankey, and E. Wallace, editors, In Proceedings of the second international workshop OWL: Experiences and Directions, November 2006. To appear.
[LN06] Thorsten Liebig and Olaf Noppens. Interactive Visualization of Large OWL Instance Sets. In Proc. of the Third Int. Semantic Web User Interaction Workshop (SWUI 2006), Athens, GA, USA, November 2006.
[Ope] OpenCyc. http://www.opencyc.org/.