CoVERT: A Corpus of Fact-checked Biomedical COVID-19 Tweets Isabelle Mohr author Amelie Wührl author Roman Klinger author 2022-06 text Proceedings of the Thirteenth Language Resources and Evaluation Conference Nicoletta Calzolari editor Frédéric Béchet editor Philippe Blache editor Khalid Choukri editor Christopher Cieri editor Thierry Declerck editor Sara Goggi editor Hitoshi Isahara editor Bente Maegaard editor Joseph Mariani editor Hélène Mazo editor Jan Odijk editor Stelios Piperidis editor European Language Resources Association Marseille, France conference publication mohr-etal-2022-covert https://aclanthology.org/2022.lrec-1.26/ 2022-06 244 257