Contrastive Estimation: Training Log-Linear Models on Unlabeled Data Noah A Smith author Jason Eisner author 2005-06 text Proceedings of the 43rd Annual Meeting of the Association for Computational Linguistics (ACL’05) Kevin Knight editor Hwee Tou Ng editor Kemal Oflazer editor Association for Computational Linguistics Ann Arbor, Michigan conference publication smith-eisner-2005-contrastive 10.3115/1219840.1219884 https://aclanthology.org/P05-1044/ 2005-06 354 362