Zhimeng Guo

reinforcement learning (1) policy optimization (1) variational inference (1) reinforcement learning from human feedback (1) model alignment (1) semantic structure (1) proximal policy optimization (1) reward shaping (1) jailbreak attack (1) node representation learning (1) paralinguistic information (1) large language model alignment (1) llm alignment (1) group relative policy optimization (1) acoustic cue (1) speech emotion recognition (1) emotion understanding (1) large language model (1) graph neural network (1) audio language model (1)