1. Clark, A., Eyraud, R.: Polynomial identification in the limit of substitutable context-free languages. Journal of Machine Learning Research 8, 1725–1745 (2007)
2. Angluin, D.: Inference of reversible languages. Communications of the ACM 29, 741–765 (1982)
3. Angluin, D.: Learning regular sets from queries and counterexamples. Information and Computation 75(2), 87–106 (1987)
4. Lecture Notes in Artificial Intelligence;A. Clark,2008
5. Shirakawa, H., Yokomori, T.: Polynomial-time MAT Learning of C-Deterministic Context-free Grammars. Transactions of the information processing society of Japan 34, 380–390 (1993)