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D. Alex Hughes | Lattice

D. Alex Hughes

UC Berkeley School of Information

Berkeley AI Research (BAIR)

Papers on Lattice

1

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0

Topics

2

Publication activitypapers/week, last 8 weeks

Research focus

Constitutional AI & AI Ethics (1)Eval Frameworks & Benchmarks (1)

Frequent co-authors

Justin D. Norman (1)Michael U. Rivera (1)

Papers (1)

Jun 17, 2026

BAIR3w ago

Reliability without Validity: A Systematic, Large-Scale Evaluation of LLM-as-a-Judge Models Across Agreement, Consistency, and Bias

Kappa deflation reveals that LLM-as-a-Judge models may be overstating their discriminative abilities by up to 41 percentage points.

Justin D. Norman, Michael U. Rivera, D. Alex Hughes

Constitutional AI & AI Ethics Eval Frameworks & Benchmarks