C. d'Amato, N. Fanizzi, and F. Esposito. Proceedings of the 5th European Semantic Web Conference (ESWC 2008), volume 5021 of Lecture Notes in Computer Science, Tenerife, Spain, Springer Verlag, (June 2008)
N. Fanizzi, C. d'Amato, and F. Esposito. Working Notes of the 20th International Description Logics Workshop (DL 2007), volume 250 of CEUR Workshop Proceedings, CEUR-WS.org, (2007)
F. Lisi, and F. Esposito. Proceedings of the 18th International Conference on Inductive Logic Programming (ILP 2008), volume 5194 of Lecture Notes in Computer Science, page 158-175. Prague, Czech Republic, Springer, (2008)