Yuan Zhang

Multi-task learning (MTL) enables joint learning over multiple tasks based on shared representations, but suffers from task interference issue during optimization. Existing works mainly focus on task balancing or probabilistic modeling but fail to address the issue since they struggle to learn su...

Traditional psychological counseling struggles to meet public demand due to high costs, social stigma, and limited accessibility. Recently, large language models (LLMs) have shown great potential in healthcare, offering new opportunities to build accessible mental health dialogue systems. However...