Grammatical Inference: Algorithms and Applications 7th International Colloquium, ICGI 2004, Athens, Greece, October 11-13, 2004. Proceedings - Paliouras, Georgios; Paliouras, Georgios; Sakakibara, Yasubumi; Sakakibara, Yasubumi (Springer Berlin Heidelberg : Imprint: Springer, 2004)