Changes in European Solidarity Before and During COVID-19: Evidence from a Large Crowd- and Expert-Annotated Twitter Dataset Alexandra Ils author Dan Liu author Daniela Grunow author Steffen Eger author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Chengqing Zong editor Fei Xia editor Wenjie Li editor Roberto Navigli editor Association for Computational Linguistics Online conference publication ils-etal-2021-changes 10.18653/v1/2021.acl-long.129 https://aclanthology.org/2021.acl-long.129/ 2021-08 1623 1637