A Metric for Evaluating Discourse Coherence based on Coreference Resolution Ryu Iida author Takenobu Tokunaga author 2012-12 text Proceedings of COLING 2012: Posters Martin Kay editor Christian Boitet editor The COLING 2012 Organizing Committee Mumbai, India conference publication iida-tokunaga-2012-metric https://aclanthology.org/C12-2048/ 2012-12 483 494