collaborators

5 papers

cs.CL2025

When Models Lie, We Learn: Multilingual Span-Level Hallucination Detection with PsiloQA

Elisei Rykov, Kseniia Petrushina, Maksim Savkin +6

Hallucination detection remains a fundamental challenge for the safe and reliable deployment of large language models (LLMs), especially in applications requiring factual accuracy.…

cs.CV2025

Through the Looking Glass: Common Sense Consistency Evaluation of Weird Images

Elisei Rykov, Kseniia Petrushina, Kseniia Titova +3

Measuring how real images look is a complex task in artificial intelligence research. For example, an image of a boy with a vacuum cleaner in a desert violates common sense. We int…

cs.CV2025

Don't Fight Hallucinations, Use Them: Estimating Image Realism using NLI over Atomic Facts

Elisei Rykov, Kseniia Petrushina, Kseniia Titova +2

Quantifying the realism of images remains a challenging problem in the field of artificial intelligence. For example, an image of Albert Einstein holding a smartphone violates comm…

cs.CL2024

S3: A Simple Strong Sample-effective Multimodal Dialog System

Elisei Rykov, Egor Malkershin, Alexander Panchenko

In this work, we present a conceptually simple yet powerful baseline for the multimodal dialog task, an S3 model, that achieves near state-of-the-art results on two compelling lead…

cs.CL2024

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

Elisei Rykov, Yana Shishkina, Kseniia Petrushina +3

In this paper, we present our novel systems developed for the SemEval-2024 hallucination detection task. Our investigation spans a range of strategies to compare model predictions…