TASK	DATASET	MODEL	METRIC NAME	METRIC VALUE	GLOBAL RANK	REMOVE
Misinformation	NLP4IF-2021--Fighting the COVID-19 Infodemic	TOKOFOU	Average F1	89.7	# 1

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Fighting the COVID-19 Infodemic with a Holistic BERT Ensemble

NAACL (NLP4IF) 2021 · Giorgos Tziafas, Konstantinos Kogkalidis, Tommaso Caselli ·

This paper describes the TOKOFOU system, an ensemble model for misinformation detection tasks based on six different transformer-based pre-trained encoders, implemented in the context of the COVID-19 Infodemic Shared Task for English. We fine tune each model on each of the task's questions and aggregate their prediction scores using a majority voting approach. TOKOFOU obtains an overall F1 score of 89.7%, ranking first.