Refining Generative Language Models using Discriminative Learning Ben Sandbank author 2008-10 text Proceedings of the 2008 Conference on Empirical Methods in Natural Language Processing Mirella Lapata editor Hwee Tou Ng editor Association for Computational Linguistics Honolulu, Hawaii conference publication sandbank-2008-refining https://aclanthology.org/D08-1006/ 2008-10 51 58