Modeling Ideological Salience and Framing in Polarized Online Groups with Graph Neural Networks and Structured Sparsity Valentin Hofmann author Xiaowen Dong author Janet Pierrehumbert author Hinrich Schuetze author 2022-07 text Findings of the Association for Computational Linguistics: NAACL 2022 Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication hofmann-etal-2022-modeling 10.18653/v1/2022.findings-naacl.41 https://aclanthology.org/2022.findings-naacl.41/ 2022-07 536 550