R. Wille, und R. Wille-Henning. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 269-282. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)
P. Dobrev, O. Kalaydjiev, und G. Angelova. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 192-205. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)
I. Stalker, N. Mehandjiev, und M. Carpenter. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 360-373. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)
S. Rudolph, M. Krötzsch, und P. Hitzler. Proceedings of the 15th International Conference on Conceptual Structures (ICCS 2007), Volume 4604 von Lecture Notes in Artificial Intelligence, Seite 464-467. Berlin, Heidelberg, Springer-Verlag, (Juli 2007)