Ring-A-Bell! How Reliable are Concept Removal Methods For Diffusion Models? - Tsai, Yu-Lin; Hsu, Chia-Yi; Xie, Chulin; Lin, Chih-Hsun; Chen, Jia You; Li, Bo; Chen, Pin-Yu; Yu, Chia-Mu; Huang, Chun-Ying (International Conference on Learning Representations, 2024)