Freddy Heppell

A Large-Scale Comparative Study of Accurate COVID-19 Information versus Misinformation

Xingyi Song, Kalina Bontcheva, Carolina Scarton, 2023, ArXiv.

SheffieldVeraAI at SemEval-2023 Task 3: Mono and Multilingual Approaches for News Genre, Topic and Persuasion Technique Classification

Xingyi Song, Kalina Bontcheva, Carolina Scarton, 2023, SEMEVAL.

Comparison between parameter-efficient techniques and full fine-tuning: A case study on multilingual news article classification

Xingyi Song, Ivan Srba, Kalina Bontcheva, 2023, 2308.07282.

Lying Blindly: Bypassing ChatGPT's Safeguards to Generate Hard-to-Detect Disinformation Claims at Scale

Kalina Bontcheva, M. Bakir, Freddy Heppell, 2024, ArXiv.