activity
20222026
most citedComparison between parameter-efficient techniques and full fine-tuning: A case study on multilingual news article classification

23 citations · 93 across the 44 of their papers we have counts for

collaborators

45 papers

cs.CV2026

MigrationNarrate: A Dataset for Detection of Migration Narratives in YouTube Videos

Fatima Haouari, Carolina Scarton, Kalina Bontcheva

Narratives are central to how social communication is framed, making their detection critical for understanding and analysing public discourse. Prior work has explored narrative de…

cs.CL2026

Build it, Break it, Repeat: Benchmarking and improving LLM-manipulated disinformation detection in social media posts

Kevin Thomas, Milosz Kasprzyk, Reuel C Igbokwe Onuigbo +5

Detecting machine-generated disinformation on social media is increasingly difficult as large language models (LLMs) make it easier to generate and rewrite misleading content at sc…

cs.CL2026

LLM-Based Adversarial Persuasion Attacks on Fact-Checking Systems

João A. Leite, Olesya Razuvayevskaya, Kalina Bontcheva +1

Automated fact-checking (AFC) systems are susceptible to adversarial attacks, enabling false claims to evade detection. Existing adversarial frameworks typically rely on injecting…

cs.CL2025

CACARA: Cross-Modal Alignment Leveraging a Text-Centric Approach for Cost-Effective Multimodal and Multilingual Learning

Diego A. B. Moreira, Alef I. Ferreira, Jhessica Silva +10

As deep learning models evolve, new applications and challenges are rapidly emerging. Tasks that once relied on a single modality, such as text, images, or audio, are now enriched…

cs.CL2025★ 1 cited

Tailored untruths: How personalisation challenges LLM safeguards

João A. Leite, João Luz, Silvia Gargova +5

Large Language Models (LLMs) can generate highly persuasive disinformation, yet little is known about how effectively they personalise it across languages and demographic groups. W…

cs.CL2025

It's All About In-Context Learning! Teaching Extremely Low-Resource Languages to LLMs

Yue Li, Zhixue Zhao, Carolina Scarton

Extremely low-resource languages, especially those written in rare scripts, as shown in Figure 1, remain largely unsupported by large language models (LLMs). This is due in part to…

cs.CL2025

GateNLP at SemEval-2025 Task 10: Hierarchical Three-Step Prompting for Multilingual Narrative Classification

Iknoor Singh, Carolina Scarton, Kalina Bontcheva

The proliferation of online news and the increasing spread of misinformation necessitate robust methods for automatic data analysis. Narrative classification is emerging as a impor…

cs.CL2025

UKElectionNarratives: A Dataset of Misleading Narratives Surrounding Recent UK General Elections

Fatima Haouari, Carolina Scarton, Nicolò Faggiani +5

Misleading narratives play a crucial role in shaping public opinion during elections, as they can influence how voters perceive candidates and political parties. This entails the n…

cs.CL2025

SCRum-9: Multilingual Stance Classification over Rumours on Social Media

Yue Li, Jake Vasilakes, Zhixue Zhao +1

We introduce SCRum-9, the largest multilingual Stance Classification dataset for Rumour analysis in 9 languages, containing 7,516 tweets from X. SCRum-9 goes beyond existing stance…

cs.CL2025

SemEval-2025 Task 1: AdMIRe -- Advancing Multimodal Idiomaticity Representation

Thomas Pickard, Aline Villavicencio, Maggie Mi +3

Idiomatic expressions present a unique challenge in NLP, as their meanings are often not directly inferable from their constituent words. Despite recent advancements in Large Langu…

cs.CL2025

Exploring Vision Language Models for Multimodal and Multilingual Stance Detection

Jake Vasilakes, Carolina Scarton, Zhixue Zhao

Social media's global reach amplifies the spread of information, highlighting the need for robust Natural Language Processing tasks like stance detection across languages and modal…

cs.SI2025

A Lightweight Approach for User and Keyword Classification in Controversial Topics

Ahmad Zareie, Kalina Bontcheva, Carolina Scarton

Classifying the stance of individuals on controversial topics and uncovering their concerns is crucial for social scientists and policymakers. Data from Online Social Networks (OSN…

cs.CL2025

Leveraging Large Language Models for Zero-shot Lay Summarisation in Biomedicine and Beyond

Tomas Goldsack, Carolina Scarton, Chenghua Lin

In this work, we explore the application of Large Language Models to zero-shot Lay Summarisation. We propose a novel two-stage framework for Lay Summarisation based on real-life pr…

cs.CY2024

A Cross-Domain Study of the Use of Persuasion Techniques in Online Disinformation

João A. Leite, Olesya Razuvayevskaya, Carolina Scarton +1

Disinformation, irrespective of domain or language, aims to deceive or manipulate public opinion, typically through employing advanced persuasion techniques. Qualitative and quanti…

cs.CL2024

Investigating Idiomaticity in Word Representations

Wei He, Tiago Kramer Vieira, Marcos Garcia +3

Idiomatic expressions are an integral part of human languages, often used to express complex ideas in compressed or conventional ways (e.g. eager beaver as a keen and enthusiastic…

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

Label Set Optimization via Activation Distribution Kurtosis for Zero-shot Classification with Generative Models

Yue Li, Zhixue Zhao, Carolina Scarton

In-context learning (ICL) performance is highly sensitive to prompt design, yet the impact of class label options (e.g. lexicon or order) in zero-shot classification remains undere…

cs.CL2024★ 1 cited

Overview of the BioLaySumm 2024 Shared Task on the Lay Summarization of Biomedical Research Articles

Tomas Goldsack, Carolina Scarton, Matthew Shardlow +1

This paper presents the setup and results of the second edition of the BioLaySumm shared task on the Lay Summarisation of Biomedical Research Articles, hosted at the BioNLP Worksho…

cs.CL2024

FuxiTranyu: A Multilingual Large Language Model Trained with Balanced Data

Haoran Sun, Renren Jin, Shaoyang Xu +10

Large language models (LLMs) have demonstrated prowess in a wide range of tasks. However, many LLMs exhibit significant performance discrepancies between high- and low-resource lan…

cs.LG2024★ 1 cited

A Case Study on Contextual Machine Translation in a Professional Scenario of Subtitling

Sebastian Vincent, Charlotte Prescott, Chris Bayliss +2

Incorporating extra-textual context such as film metadata into the machine translation (MT) pipeline can enhance translation quality, as indicated by automatic evaluation in recent…

cs.CL2024

Enhancing Idiomatic Representation in Multiple Languages via an Adaptive Contrastive Triplet Loss

Wei He, Marco Idiart, Carolina Scarton +1

Accurately modeling idiomatic or non-compositional language has been a longstanding challenge in Natural Language Processing (NLP). This is partly because these expressions do not…

cs.CL2024

ATLAS: Improving Lay Summarisation with Attribute-based Control

Zhihao Zhang, Tomas Goldsack, Carolina Scarton +1

Lay summarisation aims to produce summaries of scientific articles that are comprehensible to non-expert audiences. However, previous work assumes a one-size-fits-all approach, whe…

cs.CL2024★ 8 cited

EUvsDisinfo: A Dataset for Multilingual Detection of Pro-Kremlin Disinformation in News Articles

João A. Leite, Olesya Razuvayevskaya, Kalina Bontcheva +1

This work introduces EUvsDisinfo, a multilingual dataset of disinformation articles originating from pro-Kremlin outlets, along with trustworthy articles from credible / less biase…

cs.CL2024

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

Jake Vasilakes, Zhixue Zhao, Ivan Vykopal +3

Addressing online disinformation requires analysing narratives across languages to help fact-checkers and journalists sift through large amounts of data. The ExU project focuses on…