Question Answering with Textual CBR. - Mario Lenz; André Hübner; Mirjam Kunze (FQAS, 1998)

Textual CBR. - Mario Lenz; André Hübner; Mirjam Kunze (Case-Based Reasoning Technology, 1998)

Case-Based Reasoning: Survey and Future Directions. - Brigitte Bartsch-Spörl; Mario Lenz; André Hübner (XPS, 1999)

Last-Minute Travel Application. - André Hübner; Mario Lenz; Roman Borch; Michael Posthoff (AI Mag., 2000)