There are lots of teams on the leaderboard that are actually metateams. My favorite is "When Gravity and Dinosaurs Unite." http://www.netflixprize.com/leaderbo

There are lots of teams on the leaderboard that are actually metateams. My favorite is "When Gravity and Dinosaurs Unite." http://www.netflixprize.com/leaderboard http://www.netflixprize.com/leaderboard They actually do one better than your suggestion, which is that they use machine learning to figure out how to weight one team's results vs. the other.