https://papers.nips.cc/paper/2166-adapting-codes-and-embeddings-for-polychotomies.pdf (出版社版)
Rätsch, G., Smola, A., & Mika, S. (2003). Adapting Codes and Embeddings for Polychotomies. In S., Becker, S., Thrun, & K., Obermayer (Eds.), Advances in Neural Information Processing Systems 15 (pp. 513-520). Cambridge, MA, USA: MIT Press.