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Table 3 The average RMSE results for the structured metadata baseline in both databases

From: Exploiting feature extraction techniques on users’ reviews for movies recommendation

  k = 20 k = 40 k = 60 k = 80 k = 100
ML 100k Actors 0.9384 0.9383 0.9382 0.9382 0.9381
  Directors 0.9438 0.9438 0.9438 0.9438 0.9438
  Genres 0.9404 0.9401 0.9402 0.9401 0.9401
HetRec ML Actors 0.8229 0.8226 0.8225 0.8225 0.8224
  Directors 0.8311 0.8311 0.8311 0.8311 0.8311
  Genres 0.8294 0.8283 0.8280 0.8280 0.8280