activity
20182026
most citedAuditing YouTube's Recommendation Algorithm for Misinformation Filter Bubbles

57 citations · 295 across the 30 of their papers we have counts for

collaborators

31 papers

cs.IR2026

From Latent to Observable Position-Based Click Models in Carousel Interfaces

Santiago de Leon-Martinez, Robert Moro, Branislav Kveton +1

Click models are a central component of learning and evaluation in recommender systems, yet most existing models are designed for single ranked list interfaces. In contrast, modern…

cs.CL2026

Better as Generators Than Classifiers: Leveraging LLMs and Synthetic Data for Low-Resource Multilingual Classification

Branislav Pecher, Jan Cegin, Robert Belanec +3

Large Language Models (LLMs) have demonstrated remarkable multilingual capabilities, making them promising tools in both high- and low-resource languages. One particularly valuable…

cs.CL2025★ 1 cited

PEFT-Factory: Unified Parameter-Efficient Fine-Tuning of Autoregressive Large Language Models

Robert Belanec, Ivan Srba, Maria Bielikova

Parameter-Efficient Fine-Tuning (PEFT) methods address the increasing size of Large Language Models (LLMs). Currently, many newly introduced PEFT methods are challenging to replica…

cs.CL2025★ 1 cited

PEFT-Bench: A Parameter-Efficient Fine-Tuning Methods Benchmark

Robert Belanec, Branislav Pecher, Ivan Srba +1

Despite the state-of-the-art performance of Large Language Models (LLMs) achieved on many tasks, their massive scale often leads to high computational and environmental costs, limi…

cs.IR2025★ 2 cited

Riding the Carousel: The First Extensive Eye Tracking Analysis of Browsing Behavior in Carousel Recommenders

Santiago de Leon-Martinez, Robert Moro, Branislav Kveton +1

Carousels have become the de-facto standard user interface in online services. However, there is a lack of research in carousels, particularly examining how recommender systems may…

cs.IR2025★ 4 cited

RecGaze: The First Eye Tracking and User Interaction Dataset for Carousel Interfaces

Santiago de Leon-Martinez, Jingwei Kang, Robert Moro +4

Carousel interfaces are widely used in e-commerce and streaming services, but little research has been devoted to them. Previous studies of interfaces for presenting search and rec…

cs.CL2024

Use Random Selection for Now: Investigation of Few-Shot Selection Strategies in LLM-based Text Augmentation for Classification

Jan Cegin, Branislav Pecher, Jakub Simko +3

The generative large language models (LLMs) are increasingly used for data augmentation tasks, where text samples are paraphrased (or generated anew) and then used for classifier f…

cs.CL2024★ 8 cited

A Survey on Automatic Credibility Assessment Using Textual Credibility Signals in the Era of Large Language Models

Ivan Srba, Olesya Razuvayevskaya, João A. Leite +10

In the age of social media and generative AI, the ability to automatically assess the credibility of online content has become increasingly critical, complementing traditional appr…

cs.CL2024★ 1 cited

Task Prompt Vectors: Effective Initialization through Multi-Task Soft-Prompt Transfer

Robert Belanec, Simon Ostermann, Ivan Srba +1

Prompt tuning is an efficient solution for training large language models (LLMs). However, current soft-prompt-based methods often sacrifice multi-task modularity, requiring the tr…

cs.CL2024★ 1 cited

Fighting Randomness with Randomness: Mitigating Optimisation Instability of Fine-Tuning using Delayed Ensemble and Noisy Interpolation

Branislav Pecher, Jan Cegin, Robert Belanec +3

While fine-tuning of pre-trained language models generally helps to overcome the lack of labelled training samples, it also displays model performance instability. This instability…

cs.CL2024★ 5 cited

Comparing Specialised Small and General Large Language Models on Text Classification: 100 Labelled Samples to Achieve Break-Even Performance

Branislav Pecher, Ivan Srba, Maria Bielikova

When solving NLP tasks with limited labelled data, researchers typically either use a general large language model without further update, or use a small number of labelled samples…

cs.CL2024★ 1 cited

On Sensitivity of Learning with Limited Labelled Data to the Effects of Randomness: Impact of Interactions and Systematic Choices

Branislav Pecher, Ivan Srba, Maria Bielikova

While learning with limited labelled data can improve performance when the labels are lacking, it is also sensitive to the effects of uncontrolled randomness introduced by so-calle…

cs.LG2024

Automatic Combination of Sample Selection Strategies for Few-Shot Learning

Branislav Pecher, Ivan Srba, Maria Bielikova +1

In few-shot learning, the selection of samples has a significant impact on the performance of the model. While effective sample selection strategies are well-established in supervi…

cs.CL2024★ 6 cited

Authorship Obfuscation in Multilingual Machine-Generated Text Detection

Dominik Macko, Robert Moro, Adaku Uchendu +7

High-quality text generation capability of recent Large Language Models (LLMs) causes concerns about their misuse (e.g., in massive generation/spread of disinformation). Machine-ge…

cs.CL2024★ 6 cited

Effects of diversity incentives on sample diversity and downstream model performance in LLM-based text augmentation

Jan Cegin, Branislav Pecher, Jakub Simko +3

The latest generative large language models (LLMs) have found their application in data augmentation tasks, where small numbers of text samples are LLM-paraphrased and then used to…

cs.LG2023★ 12 cited

A Survey on Stability of Learning with Limited Labelled Data and its Sensitivity to the Effects of Randomness

Branislav Pecher, Ivan Srba, Maria Bielikova

Learning with limited labelled data, such as prompting, in-context learning, fine-tuning, meta-learning or few-shot learning, aims to effectively train a model using only a small a…

cs.CL2023★ 27 cited

Disinformation Capabilities of Large Language Models

Ivan Vykopal, Matúš Pikuliak, Ivan Srba +3

Automated disinformation generation is often listed as an important risk associated with large language models (LLMs). The theoretical ability to flood the information space with d…

cs.CY2023★ 39 cited

FUTURE-AI: International consensus guideline for trustworthy and deployable artificial intelligence in healthcare

Karim Lekadir, Aasa Feragen, Abdul Joseph Fofanah +117

Despite major advances in artificial intelligence (AI) for medicine and healthcare, the deployment and adoption of AI technologies remain limited in real-world clinical practice. I…

cs.IR2023★ 3 cited

Eye Tracking as a Source of Implicit Feedback in Recommender Systems: A Preliminary Analysis

Santiago de Leon-Martinez, Robert Moro, Maria Bielikova

Eye tracking in recommender systems can provide an additional source of implicit feedback, while helping to evaluate other sources of feedback. In this study, we use eye tracking d…

cs.CL2023★ 11 cited

Multilingual Previously Fact-Checked Claim Retrieval

Matúš Pikuliak, Ivan Srba, Robert Moro +7

Fact-checkers are often hampered by the sheer amount of online content that needs to be fact-checked. NLP can help them by retrieving already existing fact-checks relevant to the c…

cs.CL2022★ 3 cited

Searching for Discriminative Words in Multidimensional Continuous Feature Space

Marius Sajgalik, Michal Barla, Maria Bielikova

Word feature vectors have been proven to improve many NLP tasks. With recent advances in unsupervised learning of these feature vectors, it became possible to train it with much mo…

cs.CY2022★ 2 cited

Autonomation, Not Automation: Activities and Needs of European Fact-checkers as a Basis for Designing Human-Centered AI Systems

Andrea Hrckova, Robert Moro, Ivan Srba +2

To mitigate the negative effects of false information more effectively, the development of Artificial Intelligence (AI) systems to assist fact-checkers is needed. Nevertheless, the…

cs.IR2022★ 57 cited

Auditing YouTube's Recommendation Algorithm for Misinformation Filter Bubbles

Ivan Srba, Robert Moro, Matus Tomlein +8

In this paper, we present results of an auditing study performed over YouTube aimed at investigating how fast a user can get into a misinformation filter bubble, but also what it t…

cs.CL2022★ 14 cited

Monant Medical Misinformation Dataset: Mapping Articles to Fact-Checked Claims

Ivan Srba, Branislav Pecher, Matus Tomlein +4

False information has a significant negative influence on individuals as well as on the whole society. Especially in the current COVID-19 era, we witness an unprecedented growth of…