Graph-based Event Coreference Resolution Zheng Chen author Heng Ji author 2009-08 text Proceedings of the 2009 Workshop on Graph-based Methods for Natural Language Processing (TextGraphs-4) Monojit Choudhury editor Samer Hassan editor Animesh Mukherjee editor Smaranda Muresan editor Association for Computational Linguistics Suntec, Singapore conference publication chen-ji-2009-graph https://aclanthology.org/W09-3208/ 2009-08 54 57