Exploiting Headword Dependency and Predictive Clustering for Language Modeling Jianfeng Gao author Hisami Suzuki author Yang Wen author 2002-07 text Proceedings of the 2002 Conference on Empirical Methods in Natural Language Processing (EMNLP 2002) Association for Computational Linguistics conference publication gao-etal-2002-exploiting 10.3115/1118693.1118725 https://aclanthology.org/W02-1032/ 2002-07 248 256