F. Dau, and A. Fish. Proceedings of the 16th International Conference on Conceptual Structures (ICCS 2008), volume 5113 of Lecture Notes in Computer Science, page 104-118. Springer, (2008)
P. hrstrm, S. Uckelman, and H. Schärfe. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), volume 4604 of Lecture Notes in Artificial Intelligence, page 374-386. Berlin, Heidelberg, Springer-Verlag, (July 2007)
D. Cox, and S. Polovina. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), volume 4604 of Lecture Notes in Artificial Intelligence, page 460-463. Berlin, Heidelberg, Springer-Verlag, (July 2007)
T. Raimbault, D. Genest, and S. Loiseau. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), volume 3596 of Lecture Notes in Computer Science, page 353-366. Springer, (2005)