Robustheit in Empfehlungssystemen

384 views

Published on

Ein Vortrag von Maximilian Schmidbauer aus dem Hauptseminar "Personalisierung mit großen Daten".

Published in: Technology, News & Politics
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
384
On SlideShare
0
From Embeds
0
Number of Embeds
2
Actions
Shares
0
Downloads
7
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Robustheit in Empfehlungssystemen

  1. 1.    2
  2. 2.  3 http://de.wikipedia.org/wiki/Robustheit, 1.12.2013
  3. 3.      4
  4. 4. 5
  5. 5.   6
  6. 6.   7
  7. 7.    8 Burke, Mahony, Hurley, Robust Collaborative Recommendation
  8. 8.    9 http://www.enzyklopaedie-der-wirtschaftsinformatik.de, 1.12.2013
  9. 9.    10 http://www.enzyklopaedie-der-wirtschaftsinformatik.de, 1.12.2013
  10. 10.    ∅  11 Williams, Mobasher, Burke, Defending Recommender Systems: Detection of Profile Injection Attacks, 2007
  11. 11.     12
  12. 12.  ∅     13
  13. 13.  ∅      14
  14. 14.         15
  15. 15.      16
  16. 16.     ∅   17
  17. 17.       18
  18. 18.     19
  19. 19.      20
  20. 20.      21
  21. 21.    22
  22. 22.     23
  23. 23.         24
  24. 24. 1,80 1,60 1,40 1,20 1,00 0,80 0,60 0,40 0,20 0,00 Random Attack Bandwagon Attack Average Attack 25 Burke, Mahony, Hurley, Robust Collaborative Recommendation
  25. 25. 0,90 0,80 0,70 0,60 0,50 0,40 0,30 0,20 0,10 0,00 All-Users Segment Attack 26 Burke, Mahony, Hurley, Robust Collaborative Recommendation
  26. 26. 0,00 -0,50 Reverse Bandwagon Average Attack Random Attack Bandwagon Love/Hate Attack Attack -1,00 -1,50 -2,00 -2,50 27 Burke, Mahony, Hurley, Robust Collaborative Recommendation
  27. 27. 0,10 0,00 -0,10 -0,20 -0,30 -0,40 -0,50 -0,60 -0,70 -0,80 Reverse Bandwagon Average Attack Random Attack Bandwagon Love/Hate Attack Attack 28 Burke, Mahony, Hurley, Robust Collaborative Recommendation
  28. 28. 80% 70% 60% 50% 40% 30% 20% 10% 0% Average Attack Probe Attack Popular Attack 29 Burke, Mahony, Hurley, Robust Collaborative Recommendation
  29. 29.       30
  30. 30.     31
  31. 31.     32
  32. 32.       33
  33. 33.   34 Williams, Mobasher, Burke, Defending Recommender Systems: Detection of Profile Injection Attacks, 2007
  34. 34.    35
  35. 35.    36
  36. 36.      37
  37. 37.     38
  38. 38.     39
  39. 39.       40
  40. 40.     41
  41. 41.     42
  42. 42.    43
  43. 43. 44

×