J. Baumeister, und D. Seipel. EKAW'06: Proceedings of the 15th International Conference on Knowledge Engineering and Knowledge Management, Seite 82-95. (2006)
J. Baumeister, M. Atzmueller, und F. Puppe. FLAIRS'06: Proceedings of the 19th International Florida Artificial Intelligence Research Society Conference, Seite 402-407. AAAI Press, (2006)