1. Introduction

Part I. Introduction into Basic Concepts

2. Collaborative recommendation

3. Content-based recommendation

4. Knowledge-based recommendation

5. Hybrid recommendation approaches

6. Explanations in recommender systems

7. Evaluating recommender systems

8. Case study - personalized game recommendations on the mobile Internet

Part II. Recent Developments

9. Attacks on collaborative recommender systems

10. Online consumer decision making

11. Recommender systems and the next-generation Web

12. Recommendations in ubiquitous environments

13. Summary and outlook