Selectively Answering Ambiguous Questions Jeremy Cole author Michael Zhang author Daniel Gillick author Julian Eisenschlos author Bhuwan Dhingra author Jacob Eisenstein author 2023-12 text Proceedings of the 2023 Conference on Empirical Methods in Natural Language Processing Houda Bouamor editor Juan Pino editor Kalika Bali editor Association for Computational Linguistics Singapore conference publication cole-etal-2023-selectively 10.18653/v1/2023.emnlp-main.35 https://aclanthology.org/2023.emnlp-main.35/ 2023-12 530 543