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Gun-Sang Ahn

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#artificial intelligence Preprint Nov 2026

Closed-Loop Agent Evaluation: Layered Measurement and Self-Calibration

Close-loop evaluation is proposed, an evaluation method for deployed agents that models evaluation as performance estimation under biased raters and censored outcomes, and it requires every level's conclusion to trace back to atomic data and to be computed by versioned rules.

Rui-Feng Ren, Gun-Sang Ahn · 0 citations
#natural language process... Preprint Sep 2026

Beyond the Flag: Clinical Framing Closes the Moderation Gap in Suicide Risk Measurement

Moderation APIs are built to flag policy-violating content, not to measure graded clinical risk. But a platform's duty does not end at detection: the response owed to passive distress differs sharply from the response owed to active planning with means access, and emerging regulation (e.g., California Senate Bill 243)...

Shreyas R. Krishnan, Gun-Sang Ahn, J. Kim · 0 citations

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