TY - JOUR T1 - AI-Based Digital Assistants JF - Business & Information Systems Engineering Y1 - 2019 A1 - Maedche, Alexander A1 - Legner, Christine A1 - Benlian, Alexander A1 - Berger, Benedikt A1 - Gimpel, Henner A1 - Hess, Thomas A1 - Hinz, Oliver A1 - Morana, Stefan A1 - Söllner, Matthias VL - 61 IS - 4 ER -