PapagAI: Automated Feedback for Reflective Essays. - Veronika Solopova; Eiad Rostom; Fritz Cremer; Adrian Gruszczynski; Sascha Witte; Chengming Zhang; Fernando Ramos López; Lea Plößl; Florian Hofmann; Ralf Romeike; Michaela Gläser-Zikuda; Christoph Benzmüller; et al. (KI, 2023)

Rewarding Chatbots for Real-World Engagement with Millions of Users. - Robert Irvine; Douglas Boubert; Vyas Raina; Adian Liusie; Ziyi Zhu; Vineet Mudupalli; Aliaksei Korshuk; Zongyi Liu; Fritz Cremer; Valentin Assassi; Christie-Carol Beauchamp; Xiaoding Lu; et al. (CoRR, 2023)