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Freddy Heppell
Freddy Heppell
PhD Student, The University of Sheffield
Verified email at sheffield.ac.uk - Homepage
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Sheffieldveraai at semeval-2023 task 3: Mono and multilingual approaches for news genre, topic and persuasion technique classification
B Wu, O Razuvayevskaya, F Heppell, JA Leite, C Scarton, K Bontcheva, ...
Proceedings of the 17th International Workshop on Semantic Evaluation …, 2023
62023
Comparison between parameter-efficient techniques and full fine-tuning: A case study on multilingual news article classification
O Razuvayevskaya, B Wu, JA Leite, F Heppell, I Srba, C Scarton, ...
Plos one 19 (5), e0301738, 2024
12024
Analysing State-Backed Propaganda Websites: a New Dataset and Linguistic Study
F Heppell, K Bontcheva, C Scarton
Proceedings of the 2023 Conference on Empirical Methods in Natural Language …, 2023
12023
A Large-Scale Comparative Study of Accurate COVID-19 Information versus Misinformation
Y Mu, Y Jiang, F Heppell, I Singh, C Scarton, K Bontcheva, X Song
arXiv preprint arXiv:2304.04811, 2023
12023
Lying Blindly: Bypassing ChatGPT's Safeguards to Generate Hard-to-Detect Disinformation Claims at Scale
F Heppell, ME Bakir, K Bontcheva
arXiv preprint arXiv:2402.08467, 2024
2024
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