Discourse Structures Guided Fine-grained Propaganda Identification Yuanyuan Lei author Ruihong Huang 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 lei-huang-2023-discourse 10.18653/v1/2023.emnlp-main.23 https://aclanthology.org/2023.emnlp-main.23/ 2023-12 331 342