arXiv cs.LG
7/24/2026

Uncertainty-Aware Trust Estimation for Multi-LLM Systems via Structured Expert Judgement
Short summary
This paper frames multi-LLM aggregation as an uncertainty-aware trust estimation problem, adapting Cooke-style structured expert judgement from decision theory to weight LLMs by calibration quality. Context-aware calibration questions estimate each model's reliability, penalizing overconfident incorrect predictions. On MMLU and MMLU-Pro, Cooke weighting becomes critical under heterogeneity and contamination, achieving superior accuracy-reliability balance and robustness against unreliable or adversarial experts.
- •Multi-LLM aggregation reformulated as uncertainty-aware trust estimation using Cooke-style log weighting
- •Calibration questions penalize overconfident incorrect predictions and favor well-calibrated experts
- •Cooke weighting proves critical under heterogeneous and contaminated expert panels on MMLU and MMLU-Pro
Generated with AI, which can make mistakes.
Is this a good recommendation for you?