Research Article
Tag-Aware Recommender System Based on Deep Reinforcement Learning
Table 3
Minimum errors of various algorithms.
| Algorithms | MAE | RSME |
| Normal predictor | 1.0422 | 1.3296 | Coclustering | 0.6142 | 0.8221 | KNN basic | 0.4210 | 0.6593 | KNN with means | 0.4564 | 0.6578 | KNN with baseline | 0.4141 | 0.6189 | Slope one | 0.4231 | 0.6288 | NMF | 0.4470 | 0.6478 | SVD++ | 0.3816 | 0.5620 | DQN | 0.4218 | 0.6256 | DDPG (tag-free) | 0.3720 | 0.5432 | DDPG (tag-aware) | 0.3900 | 0.5577 |
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