Colloborative Filtering

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