G. Murphy, and C. Ryan. GECCO '07: Proceedings of the 9th annual conference on
Genetic and evolutionary computation, 2, page 1755--1755. London, ACM Press, (7-11 July 2007)
H. Majeed, C. Ryan, and R. Azad. GECCO 2005: Proceedings of the 2005 conference on
Genetic and evolutionary computation, 2, page 1773--1774. Washington DC, USA, ACM Press, (25-29 June 2005)
K. Kozaki, E. Sunagawa, Y. Kitamura, and R. Mizoguchi. Proceedings of the International Workshop on Emergent Semantics and Ontology Evolution (ESOE2007) at ISWC/ASWC2007, Busan, South Korea, (November 2007)
B. Grau, Y. Kazakov, and C. Halaschek-Wiener. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 183--196. Berlin, Heidelberg, Springer Verlag, (November 2007)
H. Pfeiffer. Proceedings of the 12th International Conference on Conceptual Structures (ICCS 2004), volume 3127 of Lecture Notes in Computer Science, page 319-332. Springer, (2004)