Hierarchical Entity Typing via Multi-level Learning to Rank Tongfei Chen author Yunmo Chen author Benjamin Van Durme author 2020-07 text Proceedings of the 58th Annual Meeting of the Association for Computational Linguistics Dan Jurafsky editor Joyce Chai editor Natalie Schluter editor Joel Tetreault editor Association for Computational Linguistics Online conference publication chen-etal-2020-hierarchical 10.18653/v1/2020.acl-main.749 https://aclanthology.org/2020.acl-main.749/ 2020-07 8465 8475