Sun, Kai, Richong Zhang, Samuel Mensah, Yongyi Mao, and Xudong Liu. “Progressive Multi-Task Learning With Controlled Information Flow for Joint Entity and Relation Extraction”. Proceedings of the AAAI Conference on Artificial Intelligence 35, no. 15 (May 18, 2021): 13851-13859. Accessed May 13, 2024. https://ojs.aaai.org/index.php/AAAI/article/view/17632.