1. About the Authors

   Biography Pages: 261 - 262

2. Interactive Visual User Interfaces: A Survey

   • F. Murtagh
   • T. Taskaya
   • K. Englmeier

   OriginalPaper Pages: 263 - 283

3. A Taxonomy of Recommender Agents on the Internet

   • Miquel Montaner
   • Beatriz López
   • Josep Lluís de la Rosa

   OriginalPaper Pages: 285 - 330

4. Index of Key Words to Volume 19

   Other Index Pages: 331 - 331

5. Contents of Volume 19

   Volume Contents Pages: 333 - 334