Reducing Multiclass to Binary: A Unifying Approach for Margin Classifiers
Robert E. Schapire and Yoram Singer and Erin L. Allwein

@article{1:4,author={Erin L. Allwein and Robert E. Schapire and Yoram Singer}, Title={Reducing Multiclass to Binary: A Unifying Approach for Margin Classifiers},journal={Journal of Machine Learning Research},volume={1}, url={http://www.jmlr.org/papers/volume1/allwein00a/allwein00a.pdf}}