Error-Correcting Tournaments
Abstract
We present a family of pairwise tournaments reducing k-class classification to binary classification. These reductions are provably robust against a constant fraction of binary errors. The results improve on the PECOC construction SECOC with an exponential improvement in computation, from O(k) to O(2 k), and the removal of a square root in the regret dependence, matching the best possible computation and regret up to a constant.
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