Rule and Tree Ensembles for Unrestricted Coreference Resolution Cicero Nogueira dos Santos author Davi Lopes Carvalho author 2011-06 text Proceedings of the Fifteenth Conference on Computational Natural Language Learning: Shared Task Sameer Pradhan editor Association for Computational Linguistics Portland, Oregon, USA conference publication nogueira-dos-santos-lopes-carvalho-2011-rule https://aclanthology.org/W11-1906/ 2011-06 51 55