T. Tran, P. Haase, and R. Studer. Proceedings of the 17th International Conference on Conceptual Structures (ICCS 2009), volume 5662 of Lecture Notes in Computer Science, page 48-65. Springer, (2009)
M. Morneau, and G. Mineau. Proceedings of the 16th International Conference on Conceptual Structures (ICCS 2008), volume 5113 of Lecture Notes in Computer Science, page 242-254. Springer, (2008)
J. Zhong, H. Zhu, J. Li, and Y. Yu. Proceedings of the 10th International Conference on Conceptual Structures (ICCS 2002), volume 2393 of Lecture Notes in Computer Science, page 92-196. Springer, (2002)
K. Tu, J. Lu, H. Zhu, G. Liu, and Y. Yu. Proceedings of the 11th International Conference on Conceptual Structures (ICCS 2003), volume 2746 of Lecture Notes in Computer Science, page 378-391. Springer, (2003)