Automatic identification of tokamak plasma confinement states (L-mode, ELM-free H-mode, and ELMy H-mode) with multi-task learning neural network. - Deng, Guo-Hong; Xie, Peng-Cheng; Sun, You-Wen; Wang, Hui-Hui; Xu, Jian; Ma, Qun; Gu, Shuai; Sheng, Hui; Yang, Hua; Chen, Gao-Ting (Nuclear Fusion, 2025)