J. Rilling, R. Witte, D. Gasevic, and J. Pan. The 16th IEEE International Conference on Program Comprehension (ICPC 2008), page 279--282. IEEE, (June 2008)
R. Witte, Y. Zhang, and J. Rilling. 4th European Semantic Web Conference (ESWC 2007), 4519, page 37--52. Innsbruck, Austria, Springer-Verlag Berlin Heidelberg, (June 2007)
J. Rilling, Y. Zhang, W. Meng, R. Witte, V. Haarslev, and P. Charland. Models in Software Engineering: Workshops and Symposia at MoDELS 2006, Genoa, Italy, October 1-6, 2006, Reports and Revised Selected Papers, volume 4364 of LNCS, page 56--65. Springer Berlin/Heidelberg, (2007)