Author

Yue Xu

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Preprint Aug 2026

What to Remember, What to Reveal: Privacy-Aware Memory for Conversational Agents

Long-term memory enables personalized conversational agents to retain user information across sessions. However, existing memory architectures primarily optimize for utility while neglecting the risks of unnecessarily storing and reusing private attributes such as personally identifiable information (PII). Addressing p...

Wen-Jie Wang, Wen-He Si, Xin-Yue Xu et al. · 1 citation

Preprint Jul 2026

From Passive Retrieval to Active Memory Navigation: Learning to Use Memory as a Structured Action Space

NapMem is introduced, a framework for learning to use long-term user memory as a structured action space rather than passively retrieved context, and suggests that long-term user memory benefits from coupling structured storage with a learned policy for using memory at the appropriate granularity.

Yue Xu, Yutao Sun, Yihao Liu et al. · 3 citations