Rosetta Stone Linguistic Problems Bozhidar Bozhanov author Ivan Derzhanski author 2013-08 text Proceedings of the Fourth Workshop on Teaching NLP and CL Ivan Derzhanski editor Dragomir Radev editor Association for Computational Linguistics Sofia, Bulgaria conference publication bozhanov-derzhanski-2013-rosetta https://aclanthology.org/W13-3401/ 2013-08 1 8