E. Alfonseca, K. Filippova, J. Delort, and G. Garrido. Proceedings of the 50th annual meeting of the Association for Computational Linguistics (ACL-2012), Jeju, South Korea, (2012)
A. Almal, A. Mitra, R. Datar, P. Lenehan, D. Fry, R. Cote, and W. Worzel. GECCO 2006: Proceedings of the 8th annual conference
on Genetic and evolutionary computation, 1, page 239--246. Seattle, Washington, USA, ACM Press, (8-12 July 2006)
F. Amirjavid, A. Bouzouane, and B. Bouchard. Proceedings of the 19th International Conference on Conceptual Structures (ICCS 2011), volume 6828 of Lecture Notes in Computer Science, page 353-356. Springer, (2011)