A Comparison of Model Free versus Model Intensive Approaches to Sentence Compression Tadashi Nomoto author 2009-08 text Proceedings of the 2009 Conference on Empirical Methods in Natural Language Processing Philipp Koehn editor Rada Mihalcea editor Association for Computational Linguistics Singapore conference publication nomoto-2009-comparison https://aclanthology.org/D09-1041/ 2009-08 391 399