[Crammer and Singer. "Ultraconservative Online Algorithms for Multiclass Problems." Annual Conference on Computational Learning Theory, 2001.](https://mlanthology.org/colt/2001/crammer2001colt-ultraconservative/) doi:10.1007/3-540-44581-1_7
@inproceedings{crammer2001colt-ultraconservative,
title = {{Ultraconservative Online Algorithms for Multiclass Problems}},
author = {Crammer, Koby and Singer, Yoram},
booktitle = {Annual Conference on Computational Learning Theory},
year = {2001},
pages = {99-115},
doi = {10.1007/3-540-44581-1_7},
url = {https://mlanthology.org/colt/2001/crammer2001colt-ultraconservative/}
}