%0 Conference Proceedings %T Distantly Supervised Named Entity Recognition via Confidence-Based Multi-Class Positive and Unlabeled Learning %A Zhou, Kang %A Li, Yuepei %A Li, Qi %Y Muresan, Smaranda %Y Nakov, Preslav %Y Villavicencio, Aline %S Proceedings of the 60th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) %D 2022 %8 May %I Association for Computational Linguistics %C Dublin, Ireland %F zhou-etal-2022-distantly %R 10.18653/v1/2022.acl-long.498 %U https://aclanthology.org/2022.acl-long.498/ %U https://doi.org/10.18653/v1/2022.acl-long.498 %P 7198-7211