Katsuhiko Nakamura. Incremental Learning of Context Free Grammars by Extended Inductive CYK Algorithm. In Colin de la Higuera, Pieter W. Adriaans, Menno van Zaanen, José Oncina, editors, Proceedings of the Workshop and Tutorial on Learning Contex-Free Grammars, ECML 2003, Cavtat-Dubrovnik, Croatia, September 22-26, 2003. pages 53-64, Ruder Boskovic Institute, Zagreb, Croatia, 2003.