Leveraging Type Descriptions for Zero-shot Named Entity Recognition and Classification Rami Aly author Andreas Vlachos author Ryan McDonald author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication aly-etal-2021-leveraging 10.18653/v1/2021.acl-long.120 https://aclanthology.org/2021.acl-long.120/ 2021-08 1516 1528