Ivan Vykopal

Title: Assessing Web Search Credibility and Response Groundedness in Chat Assistants
Authors: I. Vykopal, M. Pikuliak, S. Ostermann, M. Šimko
Abstract:
Publisher: EACL 2026 Main Conference, Association for Computational LinguisticsPublication year: 2026
Title: Investigating Language and Retrieval Bias in Multilingual Previously Fact-Checked Claim Detection
Authors: I. Vykopal, A. Karamolegkou, J. Kopčan, Q. Peng, T. Javůrek, M. Gregor, M. Šimko
Abstract:
Publisher: EACL 2026 Main Conference, Association for Computational LinguisticsPublication year: 2026
Title: Multilingual Political Views of Large Language Models: Identification and Steering
Authors: D. Gurgurov, K. Trinley, I. Vykopal, J. v. Genabith, S. Ostermann, R. Zamparelli
Abstract:
Publisher: AACL 2025 Findings, Association for Computational LinguisticsPublication year: 2025
Title: Large Language Models for Multilingual Previously Fact-Checked Claim Detection
Authors: I. Vykopal, M. Pikuliak, S. Ostermann, T. Anikina, M. Gregor, M. Šimko
Abstract:
Publisher: EMNLP 2025 Findings, Association for Computational LinguisticsPublication year: 2025
Title: Automatic Fact-checking in English and Telugu
Authors: R. K. Chikkala, T. Anikina, N. Skachkova, I. Vykopal, R. Agerri, J. v. Genabith
Abstract:
Publisher: LowResNLP 2025Publication year: 2025
Title: A Generative-AI-Driven Claim Retrieval System Capable of Detecting and Retrieving Claims from Social Media Platforms in Multiple Languages
Authors: I. Vykopal, M. Hyben, R. Moro, M. Gregor, J. Simko
Abstract:
Publisher: arXiv preprintPublication year: 2025
Title: dfkinit2b at CheckThat! 2025: Leveraging LLMs and Ensemble of Methods for Multilingual Claim Normalization
Authors: T. Anikina, I. Vykopal, S. Kula, R. K. Chikkala, N. Skachkova, J. Yang, V. Solopova, V. Schmitt, S. Ostermann
Abstract:
Publisher: Preprint server (Accepted to CLEF 2025 CheckThat! Shared Task)Publication year: 2025
Title: Small Models, Big Impact: Efficient Corpus and Graph-Based Adaptation of Small Multilingual Language Models for Low-Resource Languages
Authors: D. Gurgurov, I. Vykopal, J. v. Genabith, S. Ostermann
Abstract:
Publisher: Student Research Workshop @ ACL2024, Association for Computational LinguisticsPublication year: 2025
Title: Soft Language Prompts for Language Transfer
Authors: I. Vykopal, S. Ostermann, M. Šimko
Abstract:
Publisher: NAACL 2025 Main Conference, Association for Computational LinguisticsPublication year: 2025
Title: Generative Large Language Models in Automated Fact-Checking: A Survey
Authors: I. Vykopal, M. Pikuliak, S. Ostermann, M. Šimko
Abstract:
Publisher: arXiv preprintPublication year: 2024
Title: ExU: AI Models for Examining Multilingual Disinformation Narratives and Understanding their Spread
Authors: J. Vasilakes, Z. Zhao, M. Gregor, I. Vykopal, M. Hyben, C. Scarton
Abstract:
Publisher: EAMT 2024, European Association for Machine TranslationPublication year: 2024
Title: Disinformation Capabilities of Large Language Models
Authors: I. Vykopal, M. Pikuliak, I. Srba, R. Moro, D. Macko, M. Bielikova
Abstract:
Publisher: ACL 2024 Main Conference, Association for Computational LinguisticsPublication year: 2024
Title: Digital Pathology in Cardiac Transplant Diagnostics: From Biopsies to Algorithms
Authors: M. Kveton, L. Hudec, I. Vykopal, M. Halinkovic, M. Laco, A. Felsoova, W. Benesova, O. Fabian
Abstract:
Publisher: Cardiovascular PathologyPublication year: 2023
Title: DeepLabV3+ Ensemble for Diagnosis of Cardiac Transplant Rejection
Authors: I. Vykopal, L. Hudec, M. Kveton, O. Fabian, A. Felsoova, W. Benesova
Abstract:
Publisher: International Conference on Computer Vision Systems, Springer NaturePublication year: 2023
Title: Multilingual Previously Fact-Checked Claim Retrieval
Authors: M. Pikuliak, I. Srba, R. Moro, T. Hromadka, T. Smolen, M. Melisek, I. Vykopal, J. Simko, J. Podrouzek, M. Bielikova
Abstract:
Publisher: EMNLP 2023 Main Conference, Association for Computational LinguisticsPublication year: 2023
Title: Weakly Supervised Semantic Cell Segmentation Using Knowledge Distillation
Authors: I. Háberová, I. Vykopal
Abstract:
Publisher: CESCG.orgPublication year: 2023

Publications

Title: Assessing Web Search Credibility and Response Groundedness in Chat Assistants

Title: Investigating Language and Retrieval Bias in Multilingual Previously Fact-Checked Claim Detection

Title: Multilingual Political Views of Large Language Models: Identification and Steering

Title: Large Language Models for Multilingual Previously Fact-Checked Claim Detection

Title: Automatic Fact-checking in English and Telugu

Title: A Generative-AI-Driven Claim Retrieval System Capable of Detecting and Retrieving Claims from Social Media Platforms in Multiple Languages

Title: dfkinit2b at CheckThat! 2025: Leveraging LLMs and Ensemble of Methods for Multilingual Claim Normalization

Title: Small Models, Big Impact: Efficient Corpus and Graph-Based Adaptation of Small Multilingual Language Models for Low-Resource Languages

Title: Soft Language Prompts for Language Transfer

Title: Generative Large Language Models in Automated Fact-Checking: A Survey

Title: ExU: AI Models for Examining Multilingual Disinformation Narratives and Understanding their Spread

Title: Disinformation Capabilities of Large Language Models

Title: Digital Pathology in Cardiac Transplant Diagnostics: From Biopsies to Algorithms

Title: DeepLabV3+ Ensemble for Diagnosis of Cardiac Transplant Rejection

Title: Multilingual Previously Fact-Checked Claim Retrieval

Title: Weakly Supervised Semantic Cell Segmentation Using Knowledge Distillation