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researcher

João A. Leite

The University of Sheffield, Universidade Federal de São Carlos

11 papers hereh-index 6234 citations14 works total

Matching runs newest-first, so older work may not be attached to this profile yet.

author position
  • first author7
  • middle author4

Across the 11 of 11 papers where every author was matched, so the position is known.

fields
  • cs.CL10
  • cs.CY1
affiliations
  • The University of Sheffield, Universidade Federal de São Carlos
HomepageORCID 0000-0002-3587-853X

identity via Semantic Scholar / OpenAlex

activity
20202026
most citedToxic Language Detection in Social Media for Brazilian Portuguese: New Dataset and Multilingual Analysis

43 citations · 102 across the 11 of their papers we have counts for

collaborators
Showing 2026Show all

2 papers · 1 filter

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…

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