Unsupervised Ranking Model for Entity Coreference Resolution

March 15, 2016 ยท Declared Dead ยท ๐Ÿ› North American Chapter of the Association for Computational Linguistics

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Authors Xuezhe Ma, Zhengzhong Liu, Eduard Hovy arXiv ID 1603.04553 Category cs.CL: Computation & Language Cross-listed cs.LG Citations 17 Venue North American Chapter of the Association for Computational Linguistics Last Checked 4 months ago
Abstract
Coreference resolution is one of the first stages in deep language understanding and its importance has been well recognized in the natural language processing community. In this paper, we propose a generative, unsupervised ranking model for entity coreference resolution by introducing resolution mode variables. Our unsupervised system achieves 58.44% F1 score of the CoNLL metric on the English data from the CoNLL-2012 shared task (Pradhan et al., 2012), outperforming the Stanford deterministic system (Lee et al., 2013) by 3.01%.
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