activity
20242026
collaborators

6 papers

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, João A. Leite, Olesya Razuvayevskaya +2

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

Tailored untruths: How personalisation challenges LLM safeguards

João A. Leite, Arnav Arora, 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

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.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

Weakly Supervised Veracity Classification with LLM-Predicted Credibility Signals

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

Credibility signals represent a wide range of heuristics typically used by journalists and fact-checkers to assess the veracity of online content. Automating the extraction of cred…