RecSys Challenge 2018

Automatic Playlist Continuation

    Атанас, 25858      Димитрина, 25620      Кристиян, 25625

Data Stats

• 1 000 000 playlists

• 2 262 292 unique tracks

• 295 860 unique artists

• 33 114 unique tokens in playlist names

• 58 795 704 items in playlist-track matrix

• 99.9969% sparsity

Dev Challenge Set

• Created from Million Playlist Dataset
• 10,000 incomplete playlists
  1. title only
  2. title and the first track
  3. title and the first 5 tracks
  4. first 5 tracks (no title)
  5. title and the first 10 tracks
  6. first 10 tracks (no title)
  7. title and the first 25 tracks
  8. title and 25 random tracks
  9. title and the first 100 tracks
  10. title and 100 random tracks
• Predict next 100

Baselines

(dev)

GRU4Rec

Meta Prod2Vec

Neural CF

Results

(test)

Thank you!

Questions?