FLatS: Principled Out-of-Distribution Detection with Feature-Based Likelihood Ratio Score Haowei Lin author Yuntian Gu 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 lin-gu-2023-flats 10.18653/v1/2023.emnlp-main.554 https://aclanthology.org/2023.emnlp-main.554/ 2023-12 8956 8963