Research Article
Tag-Aware Recommender System Based on Deep Reinforcement Learning
| RSME | Tag-free | Tag-aware | Cold start |
| Minimum (Q1) | 0.54321 | 0.55771 | 0.49387 | 1/4 value (Q2) | 0.8436 | 0.85068 | 0.81359 | Median (Q3) | 0.93408 | 0.93447 | 0.92291 | 3/4 value (Q4) | 1.02588 | 1.04036 | 1.04641 | Maximum (Q5) | 1.49223 | 1.50439 | 1.57043 | Interquartile range (Q4–Q2) | 0.18228 | 0.18968 | 0.23283 | Range (Q5–Q1) | 0.94902 | 0.94668 | 1.07656 |
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