T. Walter, F. Parreiras, and S. Staab. Model Driven Engineering Languages and Systems, 12th International
Conference, MODELS 2009, Denver, CO, USA, October 4-9, 2009. Proceedings, page 408--422. (2009)
S. Staab, and A. Hotho. Intelligent Information Processing and Web Mining, Proceedings of
the International IIS: IIPWM'03 Conference held in Zakopane, Poland,
June 2-5, 2003, page 451--452. (2003)
A. Scherp, T. Franz, C. Saathoff, and S. Staab. Proceedings of the 5th International Conference on Knowledge Capture
(K-CAP 2009), September 1-4, 2009, Redondo Beach, California, USA, page 137--144. (2009)