Message Passing for Hyper-Relational Knowledge Graphs Mikhail Galkin author Priyansh Trivedi author Gaurav Maheshwari author Ricardo Usbeck author Jens Lehmann author 2020-11 text Proceedings of the 2020 Conference on Empirical Methods in Natural Language Processing (EMNLP) Bonnie Webber editor Trevor Cohn editor Yulan He editor Yang Liu editor Association for Computational Linguistics Online conference publication galkin-etal-2020-message 10.18653/v1/2020.emnlp-main.596 https://aclanthology.org/2020.emnlp-main.596/ 2020-11 7346 7359