Proceedings of the Sixth Workshop on Computational Models of Reference, Anaphora and Coreference (CRAC 2023) Maciej Ogrodniczuk editor Vincent Ng editor Sameer Pradhan editor Massimo Poesio editor 2023-12 Association for Computational Linguistics Singapore text conference publication crac-2023-models https://aclanthology.org/2023.crac-main.0/