Author

Yoonhyuk Choi

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Preprint Aug 2026

DP-MemView: A Memory Interface for Attribute-Level Transcript Privacy in Long-Term LLM Agents

Long-term memory enables persistent personalization in LLM agents, but repeated memory-conditioned responses can cumulatively reveal protected attributes even when they are never stated explicitly. We formalize this threat as adaptive transcript privacy and introduce DP-MemView, a differentially private interface that...

Jong Wook Kim, Byoungjae Min, Kennedy Edemacu et al. · 0 citations

Preprint Aug 2026

When Absence Is Evidence: Evaluating Completeness-Sensitive Negative Reasoning in Large Language Models

CROWN-QA is introduced, comprising CROWN-Synth, a controlled paired core that fixes the question and observed facts while varying only query-relative coverage, and CROWN-Real, a real-document contrast-set evaluation with controlled coverage variants.

Byoungjae Min, Kennedy Edemacu, Sae-Hong Cho et al. · 2 citations