Research Article
Normalizing Item-Based Collaborative Filter Using Context-Aware Scaled Baseline Predictor
Table 4
Experimental results using Pearson’s Correlation.
| Method | Precision | Recall | RMSE | MAE | nDCG |
| NoBP-PC | 12.93% | 20.34% | 1.2229 | 0.9271 | 0.9109 | USBP-PC | 20.01% | 30.35% | 0.9355 | 0.7169 | 0.9348 | RDA-PC | 25.24% | 38.38% | 0.9603 | 0.7440 | 0.9306 | CDA-PC | 24.65% | 36.90% | 0.9483 | 0.7340 | 0.9311 | TDA-PC | 25.19% | 38.40% | 0.9709 | 0.7522 | 0.9300 | LDAU-PC | 26.65% | 40.93% | 0.9856 | 0.7590 | 0.9327 | LDAI-PC | 25.19% | 38.34% | 0.9596 | 0.7434 | 0.9307 |
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