S. Polovina, J. Cooke, and J. Loke. Proceedings of the 17th International Conference on Conceptual Structures (ICCS 2009), volume 5662 of Lecture Notes in Computer Science, page 247-256. Springer, (2009)
G. Mineau. Proceedings of the 10th International Conference on Conceptual Structures (ICCS 2002), volume 2393 of Lecture Notes in Computer Science, page 250-260. Springer, (2002)
P. Dobrev, O. Kalaydjiev, and G. Angelova. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), volume 4604 of Lecture Notes in Artificial Intelligence, page 192-205. Berlin, Heidelberg, Springer-Verlag, (July 2007)
D. Corbett. Proceedings of the 12th International Conference on Conceptual Structures (ICCS 2004), volume 3127 of Lecture Notes in Computer Science, page 375-387. Springer, (2004)