1. Guest Editorial

   • Katharina Morik
   • Francesco Bergadano
   • Wray Buntine

   Editorial Commentary Pages: 137 - 138

2. Hypothesis-Driven Constructive Induction in AQ17-HCI: A Method and Experiments

   • Janusz Wnek
   • Ryszard S. Michalski

   OriginalPaper Pages: 139 - 168

3. Concept Formation During Interactive Theory Revision

   • Stefan Wrobel

   OriginalPaper Pages: 169 - 191

4. A Polynomial Approach to the Constructive Induction of Structural Knowledge

   • Jörg-Uwe Kietz
   • Katharina Morik

   OriginalPaper Pages: 193 - 217

5. Flattening and Saturation: Two Representation Changes for Generalization

   • Céline Rouveirol

   OriginalPaper Pages: 219 - 232

6. Explicit Representation of Concept Negation

   • Jean-Francois Puget

   OriginalPaper Pages: 233 - 247