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Summary of Finetuning Language Models to Emit Linguistic Expressions Of Uncertainty, by Arslan Chaudhry et al.


Finetuning Language Models to Emit Linguistic Expressions of Uncertainty

by Arslan Chaudhry, Sridhar Thiagarajan, Dilan Gorur

First submitted to arxiv on: 18 Sep 2024

Categories

  • Main: Computation and Language (cs.CL)
  • Secondary: Machine Learning (cs.LG)

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Summary difficulty Written by Summary
High Paper authors High Difficulty Summary
Read the original abstract here
Medium GrooveSquid.com (original content) Medium Difficulty Summary
Large language models (LLMs) have gained popularity for information-seeking and decision-making tasks. However, these models often generate incorrect information that can be presented in a convincing manner, making it challenging for users to determine the accuracy of their predictions. To address this issue, we propose a method that utilizes supervised finetuning on uncertainty-augmented predictions to develop LLMs that express linguistic uncertainty. Our approach involves measuring the calibration of pre-trained models and then fine-tuning them to generate calibrated expressions of uncertainty. Experimental results on various question-answering datasets demonstrate that our approach leads to well-calibrated language models, particularly for single-claim answers.
Low GrooveSquid.com (original content) Low Difficulty Summary
Large language models are very smart computers that can help us find information or make decisions. Sometimes, these models might give us wrong information and make it sound like they’re really sure about it. This makes it hard for people to figure out if the model is right or not. To fix this problem, we developed a new way to train language models so they say when they’re not sure. We tested our method on different tasks and found that it helps language models become more honest about their uncertainties.

Keywords

» Artificial intelligence  » Fine tuning  » Question answering  » Supervised