Performance Evaluation and Error Analysis for Multimodal Reference Resolution in a Conversation System Joyce Y Chai author Zahar Prasov author Pengyu Hong author 2004-may 2 - may 7 text Proceedings of HLT-NAACL 2004: Short Papers Association for Computational Linguistics Boston, Massachusetts, USA conference publication chai-etal-2004-performance https://aclanthology.org/N04-4011/ 2004-may 2 - may 7 41 44