Template-free Prompt Tuning for Few-shot NER Ruotian Ma author Xin Zhou author Tao Gui author Yiding Tan author Linyang Li author Qi Zhang author Xuanjing Huang author 2022-07 text Proceedings of the 2022 Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication ma-etal-2022-template 10.18653/v1/2022.naacl-main.420 https://aclanthology.org/2022.naacl-main.420/ 2022-07 5721 5732