A Mention-Synchronous Coreference Resolution Algorithm Based On the Bell Tree Xiaoqiang Luo author Abe Ittycheriah author Hongyan Jing author Nanda Kambhatla author Salim Roukos author 2004-07 text Proceedings of the 42nd Annual Meeting of the Association for Computational Linguistics (ACL-04) Barcelona, Spain conference publication luo-etal-2004-mention 10.3115/1218955.1218973 https://aclanthology.org/P04-1018/ 2004-07 135 142