Nrs2013 recap

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Nrs2013 recap

  1. 1. Challenge Recap ACM RecSys 2013, Hong Kong Torben Brodt plista GmbH International News Recommender Systems Workshop and Challenge October 13th, 2013
  2. 2. Dates planned ● 6 month development ● 1 month offline dataset (2013/07) ● 3 weeks online evaluation (2013/08)
  3. 3. Dates actual ● 6 month development ● 1 month offline dataset (2013/07) ● 3 weeks “online evaluation” (2013/08) ○ Registration Problems ○ Missing Leaderboard ● 3 weeks ranking period (2013/09)
  4. 4. Number Quiz How many registrations?
  5. 5. Number Quiz How many registrations? 23
  6. 6. Number Quiz How many active teams?
  7. 7. Number Quiz How many active teams? 11
  8. 8. Participants from workshops and talks real user ● SIGIR, RecSys recs API researcher teams from ● ● ● ● ● ● ● ● ● TU Berlin HPI Potsdam CWI Amsterdam NTNU Norway NTU Singapore CVUT Prag UCSB California Ben Gurion, Israel etc
  9. 9. Number Quiz How many active recommenders?
  10. 10. Number Quiz How many active recommenders? 31
  11. 11. Number Quiz How many recommendations being delivered?
  12. 12. Number Quiz How many recommendations being delivered? 571,744,114
  13. 13. Number Quiz How many clicks being delivered?
  14. 14. Number Quiz How many clicks being delivered? 764,181
  15. 15. Next steps ● dataset license ○ original one: free for use in correlation with challenge ○ new one: tba ● reproducability ○ reference algorithms? ● questionlist / FAQ
  16. 16. Winners 1. recommenders.net winner of an ipad 2. inbeat winner of a nexus 7 3. i2r winner of a raspberry pi
  17. 17. Questions

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