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cs.AI2026
Demystifying the Privacy-Utility Trade-off in LLM Interactions
Zhenhua Liu, Zhanxu Xie, Junjie Yu +3
The integration of Large Language Models into daily tasks relies on context-rich instructions, inevitably exposing sensitive user information. Current privacy-preserving methods ty…
cs.CL2026
What Makes Agent Memory Useful for Reliable Unanswerable Question Handling?
Chuanyuan Tan, Junjie Yu, Yuxin Wang +3
Reliable handling of unanswerable questions (UAQs) is critical for trustworthy LLM-based agents. Although memory is widely used in agent systems, its role in reliable UAQ handling…