1. Preface to the special issue on user modeling to support groups, communities and collaboration

   • Elena Gaudioso
   • Amy Soller
   • Julita Vassileva

   Preface 19 September 2006 Pages: 171 - 174

2. Creating cognitive tutors for collaborative learning: steps toward realization

   • Andreas Harrer
   • Bruce M. McLaren
   • Jonathan Sewall

   Original Paper 18 August 2006 Pages: 175 - 209

3. Modeling individual and collaborative problem-solving in medical problem-based learning

   • Siriwan Suebnukarn
   • Peter Haddawy

   Original Paper 12 August 2006 Pages: 211 - 248

4. Using shared representations to improve coordination and intent inference

   • Joshua Introne
   • Richard Alterman

   Original Paper 26 September 2006 Pages: 249 - 280

5. In pursuit of satisfaction and the prevention of embarrassment: affective state in group recommender systems

   • Judith Masthoff
   • Albert Gatt

   Original Paper 29 August 2006 Pages: 281 - 319

6. Design and evaluation of an adaptive incentive mechanism for sustained educational online communities

   • Ran Cheng
   • Julita Vassileva

   Original Paper Open access 07 September 2006 Pages: 321 - 348

7. Coalescing individual and collaborative learning to model user linguistic competences

   • Timothy Read
   • Beatriz Barros
   • Jesús Pancorbo

   Original Paper 09 September 2006 Pages: 349 - 376

8. The impact of learning styles on student grouping for collaborative learning: a case study

   • Enrique Alfonseca
   • Rosa M. Carro
   • Pedro Paredes

   Original Paper 19 September 2006 Pages: 377 - 401