Best-Arm Identification with Generative Proxy

arXiv:2607.06879 · cs.LG, stat.ML · Submitted 2026-07-08 · Read on arXiv

Tianyi Ma, Hanzhang Qin, Ruihao Zhu, Jierui Zuo

cs.LG, stat.ML

Submitted: 2026-07-08

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Sample Complexity — 25× in this paper · explained in 15 episodes
• Calibration — 19× in this paper · explained in 7 episodes
• Accuracy — 11× in this paper · explained in 1 episode
• Benchmark — 10× in this paper · explained in 2 episodes
• Regret — 4× in this paper · explained in 3 episodes
• Generative Model — 2× in this paper · explained in 2 episodes
• In-Context Learning — 2× in this paper · explained in 4 episodes
• LLM judge — 2× in this paper · explained in 2 episodes
• Residualization — 2× in this paper · explained in 2 episodes
• Adaptive Sampling — 1× in this paper · explained in 1 episode
• Consistency — 1× in this paper · explained in 3 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Large Language Model (LLM) — 1× in this paper · explained in 3 episodes
• Large Language Models (LLMs) — 1× in this paper · explained in 6 episodes
• Reinforcement Learning — 1× in this paper · explained in 4 episodes
• Transfer Learning — 1× in this paper · explained in 10 episodes
• Transformer — 1× in this paper · explained in 2 episodes

Sources

• PPI++: Efficient Prediction-Powered Inference
• Satisficing Regret Minimization in Bandits: Constant Rate and Light-Tailed Distribution
• The Challenge of Using LLMs to Simulate Human Behavior: A Causal Inference Perspective
• Multi-Armed Bandits With Machine Learning-Generated Surrogate Rewards
• Identifying All {\epsilon}-Best Arms in (Misspecified) Linear Bandits
• Qwen2.5 Technical Report
• Large Language Model Enhanced Machine Learning Estimators for Classification

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