ULF: Unsupervised Labeling Function Correction using Cross-Validation for Weak Supervision Anastasiia Sedova author Benjamin Roth 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 sedova-roth-2023-ulf 10.18653/v1/2023.emnlp-main.254 https://aclanthology.org/2023.emnlp-main.254/ 2023-12 4162 4176