SPARTA at CASE 2021 Task 1: Evaluating Different Techniques to Improve Event Extraction Arthur Müller author Andreas Dafnos author 2022-12 text Proceedings of the 5th Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE) Ali Hürriyetoğlu editor Hristo Tanev editor Vanni Zavarella editor Erdem Yörük editor Association for Computational Linguistics Abu Dhabi, United Arab Emirates (Hybrid) conference publication muller-dafnos-2022-sparta 10.18653/v1/2022.case-1.27 https://aclanthology.org/2022.case-1.27/ 2022-12 189 194