T. Tudorache, N. Noy, S. Tu, and M. Musen. Proceedings of the 7th International Semantic Web Conference (ISWC2008), volume 5318 of Lecture Notes in Computer Science, page 17-32. Karlsruhe, Germany, Springer Verlag, (October 2008)
T. Gärtner, J. Lloyd, and P. Flach. Proceedings of the 12th International Conference on Inductive Logic Programming (ILP'02), volume 2583 of Lecture Notes in Computer Science, page 66--83. Sydney, Australia, Springer Verlag, (July 2002)
N. Fanizzi, C. d'Amato, and F. Esposito. Proceedings of the 7th International Semantic Web Conference (ISWC 2008), volume 5318 of Lecture Notes in Computer Science, page 195--212. Karlsruhe, Germany, Springer, (October 2008)
N. Fanizzi, C. d'Amato, and F. Esposito. Proceedings of the 18th International Conference on Inductive Logic Programming (ILP 2008), volume 5194 of Lecture Notes in Computer Science, page 210--225. Prague, Czech Republic, Springer Verlag, (September 2008)
Y. Sure, S. Bloehdorn, P. Haase, J. Hartmann, and D. Oberle. Proceedings of the 12th Portuguese Conference on Artificial Intelligence - Progress in Artificial Intelligence (EPIA 2005), page 218--231. (2005)
J. Urbani, S. Kotoulas, J. Maassen, F. van Harmelen, and H. Bal. Proceedings of the 7th Extended Semantic Web Conference
(ESWC), volume 6088 of Lecture Notes in Computer Science, page 213--227. Berlin, Heidelberg, Springer, (May 2010)