Allocating Human Oversight in AI-Enabled Analytics
Summary
This paper introduces an adaptive allocation algorithm designed to optimize human oversight in Large Language Model (LLM)-augmented surveys. Addressing the challenge of LLMs generating low-cost but variably reliable responses, the algorithm dynamically allocates a limited human-labeling budget across survey questions. It learns each question's "rectification difficulty" (A_q), which quantifies LLM unreliability, in real time without requiring prior knowledge. Each human label simultaneously refines estimates and informs LLM accuracy. Validated on synthetic data and a real Twin-2K-500 survey dataset comprising 68 questions and over 2,000 respondents, the UCB-based algorithm reduces budget waste from 10–12% (uniform allocation) to 2–6% compared to an optimal oracle. It also offers formal O(ln B/B^2) regret guarantees and extends to PPI++ estimators and module-level allocation.
Key takeaway
For survey designers or data scientists deploying LLM-augmented data collection, traditional uniform human labeling wastes 10–12% of your budget. You should implement a UCB-based adaptive allocation algorithm to dynamically direct human verification efforts. This approach learns LLM reliability per question in real time, reducing budget waste to 2–6% and eliminating costly pilot studies. Adopting this method ensures your limited human resources are optimally utilized, especially when LLM performance varies significantly across tasks.
Key insights
An adaptive UCB algorithm efficiently allocates human verification budget in LLM-augmented tasks by learning real-time reliability.
Principles
- Human labels simultaneously estimate and reveal LLM reliability.
- Optimal budget allocation scales with task rectification difficulty.
- Adaptive allocation gains increase with task heterogeneity.
Method
The UCB algorithm initializes with K labels, then iteratively selects questions based on an uncertainty-adjusted marginal efficiency index, updating estimates with each new human-LLM pair.
In practice
- Implement UCB for dynamic human-LLM survey budget allocation.
- Prioritize LLM-weak questions for human verification.
- Apply the framework to survey modules or M-estimation targets.
Topics
- Large Language Models
- Survey Design
- Adaptive Allocation
- Online Learning
- Prediction-Powered Inference
- Human-AI Collaboration
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Editorial summary, takeaway, and curation by AIssential. Original article published by stat.ML updates on arXiv.org.