A. Troy, G. Zhang, и Y. Tian. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), том 4604 из Lecture Notes in Artificial Intelligence, стр. 206-219. Berlin, Heidelberg, Springer-Verlag, (июля 2007)
P. Hitzler, и G. Zhang. Proceedings of the 12th International Conference on Conceptual Structures (ICCS 2004), том 3127 из Lecture Notes in Computer Science, стр. 170-185. Springer, (2004)
M. Krötzsch, P. Hitzler, и G. Zhang. Proceedings of the 13th International Conference on Conceptual Structures (ICCS 2005), том 3596 из Lecture Notes in Computer Science, стр. 223-237. Springer, (2005)