Papers by Yarin Gal
Revisiting Automated Prompting: Are We Actually Doing Better? (2023.acl-short)
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| Challenge: | Recent work demonstrates that Large Language Models are great few-shot learners, and prompting significantly increases their performance on a range of downstream tasks. |
| Approach: | They revisit techniques for automated prompting on six different downstream tasks and a larger range of K-shot learning settings. |
| Outcome: | The proposed approach outperforms manual prompting on six different downstream tasks and a larger range of K-shot learning settings. |
Detecting LLM Hallucination Through Layer-wise Information Deficiency: Analysis of Ambiguous Prompts and Unanswerable Questions (2025.emnlp-main)
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| Challenge: | Large language models (LLMs) often generate confident yet inaccurate responses, introducing significant risks for deployment in safety-critical domains. |
| Approach: | They propose a method to detect model hallucination by systematic analysis of information flow across model layers. |
| Outcome: | The proposed approach improves model reliability by immediately integrating with universal LLMs without additional training or architectural modifications. |
Simple Factuality Probes Detect Hallucinations in Long-Form Natural Language Generation (2025.findings-emnlp)
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| Challenge: | Current approaches to detect hallucination require many samples from the LLM generator . current methods require multiple samples, which is computationally infeasible . |
| Approach: | They propose a simple baseline for detecting hallucinations in long-form LLM generations . they show that LLM hidden states are highly predictive of factuality in long form natural language generation . |
| Outcome: | The proposed method is comparable to expensive multi-sample approaches while drawing only a single sample from the LLM generator. |