Table 1 Total and average values for each structured metadata for ML-100k and HetRec2011-ML2k databases
From: Exploiting feature extraction techniques on users’ reviews for movies recommendation
| Total | Average occurrence | ||
|---|---|---|---|
| ML-100k | Actors | 44,178 | 44.15 |
| Directors | 1016 | 1.06 | |
| Genres | 18 | 1.72 | |
| HetRec ML | Actors | 95,321 | 22.78 |
| Directors | 4060 | 1.0 | |
| Genres | 20 | 2.04 | |