Length Does Matter: Summary Length can Bias Summarization Metrics Xiaobo Guo author Soroush Vosoughi 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 guo-vosoughi-2023-length 10.18653/v1/2023.emnlp-main.984 https://aclanthology.org/2023.emnlp-main.984/ 2023-12 15869 15879