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Sergey Petrakov

2 accepted papers

2024

Fact-Checking the Output of Large Language Models via Token-Level Uncertainty Quantification

ACL 2024findings

Large language models (LLMs) are notorious for hallucinating, i.e., producing erroneous claims in their output. Such hallucinations can be dangerous, as occasional factual inaccuracies in the generated text might be obscured by the rest of the output being generally factually correct, making it extr…

2023

Efficient Out-of-Domain Detection for Sequence to Sequence Models

ACL 2023findings

Sequence-to-sequence (seq2seq) models based on the Transformer architecture have become a ubiquitous tool applicable not only to classical text generation tasks such as machine translation and summarization but also to any other task where an answer can be represented in a form of a finite text frag…