Lexicon-based Sentiment Analysis in German: Systematic Evaluation of Resources and Preprocessing Techniques Jakob Fehle author Thomas Schmidt author Christian Wolff author 2021-6–9 sep text Proceedings of the 17th Conference on Natural Language Processing (KONVENS 2021) Kilian Evang editor Laura Kallmeyer editor Rainer Osswald editor Jakub Waszczuk editor Torsten Zesch editor KONVENS 2021 Organizers Düsseldorf, Germany conference publication fehle-etal-2021-lexicon https://aclanthology.org/2021.konvens-1.8/ 2021-6–9 sep 86 103