J. Baumeister, and D. Seipel. EKAW'06: Proceedings of the 15th International Conference on Knowledge Engineering and Knowledge Management, page 82-95. (2006)
J. Baumeister, D. Seipel, and F. Puppe. EKAW'04: Engineering Knowledge in the Age of the Semantic Web: 14th International Conference, LNAI 3257, page 157-171. (2004)