TY - GEN T1 - Categorising Fine-to-Coarse Grained Misinformation: An Empirical Study of COVID-19 Infodemic T2 - arXiv PY - 2021/06/22 AU - Jiang Y AU - Song X AU - Scarton C AU - Aker A AU - Bontcheva K ED - Y2 - 2024/12/22 ER -