Review Article
A Survey of Collaborative Filtering Techniques
Table 3
The Nexflix Prize Leaderboard as of July 2009.
| Rank | Team | Best RMSE score | Improvement (%) |
| 1 | BellKor's Pragmatic Chaos | 0.8556 | 10.07 | 2 | Grand Prize Team | 0.8571 | 9.91 | 3 | Opera Solutions and Vandelay United | 0.8573 | 9.89 | 4 | Vandelay Industries! | 0.8579 | 9.83 | 5 | Pragmatic Theory | 0.8582 | 9.80 | 6 | BellKor in BigChaos | 0.8590 | 9.71 | 7 | Dace | 0.8605 | 9.55 | 8 | Opera Solutions | 0.8611 | 9.49 | 9 | BellKor | 0.8612 | 9.48 | 10 | BigChaos | 0.8613 | 9.47 |
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