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cs.AI2026
Knowing the User Is Not Knowing What We Established: Grounding Awareness in Personal Agents
Jiajun Chen, Xinyue Chen, Yicheng Jiang +1
Personal-agent memory has largely focused on learning what users know, prefer, and want. However, knowing the user does not necessarily mean knowing what the user and the agent hav…
cs.AI2026
Value Alignment Tax: Measuring Value Trade-offs in LLM Alignment
Jiajun Chen, Hua Shen
Existing work on value alignment typically characterizes value relations statically, ignoring how alignment interventions, such as prompting, fine-tuning, or preference optimizatio…