System Design for a Data-Driven and Explainable Customer Sentiment Monitor Using IoT and Enterprise Data - Nguyen, An; Foerstel, Stefan; Kittler, Thomas; Kurzyukov, Andrey; Schwinn, Leo; Zanca, Dario; Hipp, Tobias; Jun, Sun Da; Schrapp, Michael; Rothgang, Eva; Eskofier, Bjoern (Friedrich-Alexander-Universität Erlangen-Nürnberg, 2021)