Leveraging ... User Models

1. Leveraging ... User Models Leveraging Data About Users in General in the Learning of Individual User Models* • Anthony Jameson PhD (Psychology) • Adjunct Professor of HCI • Frank Wittig • CS Researcher • Saarland University, Saarbrucken Germany • *pooling knowledge to improve learning accuracy

2. Their Contributions

3. Types of User Models • Learning General User Models • Learning Individual User Models

4. Collaborative Filtering and Bayesian Networks

5. An Example – Recommending Products

6. Their Experiment - Inferring Psychological States of the User

7. Learning Models Used • Model #1 - General Model • Model #2 - Parametized Model • Model #3 - Adaptive (Differential) Model • Model #4 - Individual Model

8. A Tangent – AHUGIN(Olsen et al.) • Tangent - aHugin (Olsen at al.) • Model #4 - Individual Model • Speech Metrics • Experimental Conditions • Results • Differential Adaptation Revisited

9. Speech Metrics;Results

10. Experimental Conditions;Results

11. Findings

12. Differential Adaptation Revisited

13. Summary • Now Dave can rip into it