Sentence Boundary Detection and the Problem with the U.S. Dan Gillick author 2009-06 text Proceedings of Human Language Technologies: The 2009 Annual Conference of the North American Chapter of the Association for Computational Linguistics, Companion Volume: Short Papers Mari Ostendorf editor Michael Collins editor Shri Narayanan editor Douglas W Oard editor Lucy Vanderwende editor Association for Computational Linguistics Boulder, Colorado conference publication gillick-2009-sentence https://aclanthology.org/N09-2061/ 2009-06 241 244