Across
- 3. Issue when most user-item ratings are missing.
- 7. A neighbor-based filtering approach
- 8. Collaborative filtering uses these to match
- 10. Matching based on similar users' tastes.
- 11. Problem when new users have no ratings.
- 12. is ____.
- 13. A filtering type not needing labels.
- 14. Amazon uses this collaborative method.
Down
- 1. Netflix recommends based on these
- 2. Popular model-based technique for collaborative
- 4. Suggesting items similar to what the user liked.
- 5. Method of recommending based on similar user
- 6. Metric measuring how close vectors are.
- 9. Collaborative filtering struggles when user