Search Results for author: Sergey Petrakov

Found 4 papers, 1 papers with code

SmurfCat at SemEval-2024 Task 6: Leveraging Synthetic Data for Hallucination Detection

no code implementations • 9 Apr 2024 • Elisei Rykov, Yana Shishkina, Kseniia Petrushina, Kseniia Titova, Sergey Petrakov, Alexander Panchenko

In this paper, we present our novel systems developed for the SemEval-2024 hallucination detection task.

Hallucination

Paper
Add Code

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

no code implementations • 7 Mar 2024 • Ekaterina Fadeeva, Aleksandr Rubashevskii, Artem Shelmanov, Sergey Petrakov, Haonan Li, Hamdy Mubarak, Evgenii Tsymbalov, Gleb Kuzmin, Alexander Panchenko, Timothy Baldwin, Preslav Nakov, Maxim Panov

Uncertainty scores leverage information encapsulated in the output of a neural network or its layers to detect unreliable predictions, and we show that they can be used to fact-check the atomic claims in the LLM output.

Fact Checking Hallucination +1

Paper
Add Code

LM-Polygraph: Uncertainty Estimation for Language Models

no code implementations • 13 Nov 2023 • Ekaterina Fadeeva, Roman Vashurin, Akim Tsvigun, Artem Vazhentsev, Sergey Petrakov, Kirill Fedyanin, Daniil Vasilev, Elizaveta Goncharova, Alexander Panchenko, Maxim Panov, Timothy Baldwin, Artem Shelmanov

Recent advancements in the capabilities of large language models (LLMs) have paved the way for a myriad of groundbreaking applications in various fields.

GPT-4 Llama +1

Paper
Add Code

Robust representations of oil wells' intervals via sparse attention mechanism

2 code implementations • 29 Dec 2022 • Alina Ermilova, Nikita Baramiia, Valerii Kornilov, Sergey Petrakov, Alexey Zaytsev

The focus in our experiments is on oil&gas data, namely, well logs, a prominent example of multivariate time series.

Representation Learning Time Series

Paper
Code

Cannot find the paper you are looking for? You can Submit a new open access paper.