Semi-supervised Relation Extraction via Incremental Meta Self-Training Xuming Hu author Chenwei Zhang author Fukun Ma author Chenyao Liu author Lijie Wen author Philip S Yu author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication hu-etal-2021-semi-supervised 10.18653/v1/2021.findings-emnlp.44 https://aclanthology.org/2021.findings-emnlp.44/ 2021-11 487 496