1. Preface to UMUAI Special Issue on Machine Learning for User Modeling

   • G. Webb

   OriginalPaper Pages: 1 - 3

2. Bayesian Models for Keyhole Plan Recognition in an Adventure Game

   • David W. Albrecht
   • Ingrid Zukerman
   • An E. Nicholson

   OriginalPaper Pages: 5 - 47

3. Bayesian Update of Recursive Agent Models

   • Piotr J. Gmytrasiewicz
   • Sanguk Noh
   • Tad Kellogg

   OriginalPaper Pages: 49 - 69

4. Exploring Versus Exploiting when Learning User Models for Text Recommendation

   • Marko Balabanović

   OriginalPaper Pages: 71 - 102

5. Discovering Error Classes from Discrepancies in Novice Behaviors Via Multistrategy Conceptual Clustering

   • Raymund Sison
   • Masayuki Numao
   • Masamichi Shimura

   OriginalPaper Pages: 103 - 129

6. Using Decision Trees for Agent Modeling: Improving Prediction Performance

   • Bark Cheung Chiu
   • Geoffrey I. Webb

   OriginalPaper Pages: 131 - 152

7. Context and Consciousness: Activity Theory and Human Computer Interaction, Bonnie A. Nardi (ed.)

   • Antonio Rizzo
   • Marco Palmonari

   BookReview Pages: 153 - 157

8. Case Based Reasoning, by Janet Kolodner and Morgan Kaufmann

   • M. Sasikumar

   BookReview Pages: 157 - 160

9. Books Received

   BookReview Pages: 161 - 162