ProbPlug: A Plugin Uncertainty Network for Reliable Confidence in LLM Binary Classification
Experiments show that ProbPlug provides more reliable confidence estimates, improves classification performance with negligible additional overhead, and exhibits strong generalization across tasks, indicating that ProbPlug serves as a practical solution for confidence estimation in LLM-based classification.
Jianzong Wang, Chuhang Liu, Bo-Tao Zhao et al.
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