Extracting and Learning an Unknown Grammar with Recurrent Neural Networks. - C. Lee Giles; Clifford B. Miller; Dong Chen 001; Guo-Zheng Sun; Hsing-Hen Chen; Yee-Chun Lee (NIPS, 1991)

Learning and Extracting Finite State Automata with Second-Order Recurrent Neural Networks. - C. Lee Giles; Clifford B. Miller; Dong Chen 001; Hsing-Hen Chen; Guo-Zheng Sun; Yee-Chun Lee (Neural Comput., 1992)

Experimental Comparison of the Effect of Order in Recurrent Neural Networks. - Clifford B. Miller; C. Lee Giles (Int. J. Pattern Recognit. Artif. Intell., 1993)