Media type: E-Article Title: Investigating Opinions on Public Policies in Digital Media: Setting up a Supervised Machine Learning Tool for Stance Classification Contributor: Viehmann, Christina; Beck, Tilman; Maurer, Marcus; Quiring, Oliver; Gurevych, Iryna imprint: Informa UK Limited, 2023 Published in: Communication Methods and Measures Language: English DOI: 10.1080/19312458.2022.2151579 ISSN: 1931-2458; 1931-2466 Keywords: Communication Origination: Footnote: