Proceedings of the Fourth Workshop on Fact Extraction and VERification (FEVER) Rami Aly editor Christos Christodoulopoulos editor Oana Cocarascu editor Zhijiang Guo editor Arpit Mittal editor Michael Schlichtkrull editor James Thorne editor Andreas Vlachos editor 2021-11 Association for Computational Linguistics Dominican Republic text conference publication fever-2021-fact https://aclanthology.org/2021.fever-1.0/