mRedditSum: A Multimodal Abstractive Summarization Dataset of Reddit Threads with Images Keighley Overbay author Jaewoo Ahn author Fatemeh Pesaran zadeh author Joonsuk Park author Gunhee Kim 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 overbay-etal-2023-mredditsum 10.18653/v1/2023.emnlp-main.251 https://aclanthology.org/2023.emnlp-main.251/ 2023-12 4117 4132