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This paper explains our participation in task 1of the CASE 2021 shared task. This task is about multilingual event extraction from the news. We focused on sub-task 4, event information extraction. This sub-task has a small training dataset, and we fine-tuned a multilingual BERT to solve this sub-task. We studied the instability problem on the dataset and tried to mitigate it.
Léo Bouscarrat, Antoine Bonnefoy, Cécile Capponi, Carlos Ramisch, AMU-EURANOVA at CASE 2021 Task 1: Assessing the stability of multilingual BERT, In Proc. of the 4th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021). Association for Computational Linguistics (ACL), 2021.
The final paper will be published after the conference.