State-of-the-art NLP Approaches to Coreference Resolution: Theory and Practical Recipes Simone Paolo Ponzetto author Massimo Poesio author 2009-08 text Tutorial Abstracts of ACL-IJCNLP 2009 Diana McCarthy editor Chengqing Zong editor Association for Computational Linguistics Suntec, Singapore conference publication ponzetto-poesio-2009-state https://aclanthology.org/P09-5006/ 2009-08 6