N. Fanizzi, C. d'Amato, and F. Esposito. The Semantic Web - ISWC 2008, 7th International Semantic Web Conference, ISWC 2008, Karlsruhe, Germany, October 26-30, 2008. Proceedings, volume 5318 of Lecture Notes in Computer Science, page 195-212. Springer, (2008)
S. Bloehdorn, and Y. Sure. The Semantic Web --- Proceedings of the 6th International Semantic Web Conference and the 2nd Asian Semantic Web Conference (ISWC 2007 + ASWC 2007), November 11-15, 2007, Busan, Korea, volume 4825 of Lecture Notes in Computer Science, page 58--71. Springer, Berlin--Heidelberg, Germany, (2007)
N. Fanizzi, and C. d'Amato. Foundations of Intelligent Systems, 16th International Symposium,, volume 4203 of Lecture Notes in Computer Science, page 322-331. Springer, Berlin--Heidelberg, Germany, (2006)