Lexicographic Semirings for Exact Automata Encoding of Sequence Models Brian Roark author Richard Sproat author Izhak Shafran author 2011-06 text Proceedings of the 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies Dekang Lin editor Yuji Matsumoto editor Rada Mihalcea editor Association for Computational Linguistics Portland, Oregon, USA conference publication roark-etal-2011-lexicographic https://aclanthology.org/P11-2001/ 2011-06 1 5