Grouping Language Model Boundary Words to Speed K–Best Extraction from Hypergraphs Kenneth Heafield author Philipp Koehn author Alon Lavie author 2013-06 text Proceedings of the 2013 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Lucy Vanderwende editor Hal Daumé III editor Katrin Kirchhoff editor Association for Computational Linguistics Atlanta, Georgia conference publication heafield-etal-2013-grouping https://aclanthology.org/N13-1116/ 2013-06 958 968