Keep on Smiling: An Investigation of the Influence of the Use of Emoticons by Chatbots on User Satisfaction. - Marilena Wilhelm; Tabea Otten; Eva Schwaetzer; Kinga Schumacher (CUI, 2022)

Troubleshooting Conversations: Exploring Chatbot Repair Strategies. - Marilena Wilhelm; Eva Schwaetzer; Tabea Otten; Theresa Elfriede Isa Zobel; Kinga Schumacher (MuC, 2024)