P. Haase, D. Herzig, M. Musen, and T. Tran. The Semantic Web: Research and Applications, 6th European Semantic Web Conference, ESWC 2009, Heraklion, Crete, Greece, volume 5554 of Lecture Notes in Computer Science, Springer, Berlin, (2009)
T. Tran, P. Haase, and R. Studer. Proceedings of the 17th International Conference on Conceptual Structures (ICCS 2009), volume 5662 of Lecture Notes in Computer Science, page 48-65. Springer, (2009)
P. Cimiano, P. Haase, and J. Heizmann. Proceedings of IUI '07: 12th International Conference on Intelligent User Interfaces, Honolulu, HI, USA, page 180-189. (2007)