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