Abstractive Open Information Extraction Kevin Pei author Ishan Jindal author Kevin Chang 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 pei-etal-2023-abstractive 10.18653/v1/2023.emnlp-main.376 https://aclanthology.org/2023.emnlp-main.376/ 2023-12 6146 6158