@inproceedings{ICML:2013:Zhang:Sparse,<br>
  author =       {Lijun Zhang and Jinfeng Yi and Rong Jin and Ming Lin and Xiaofei He},<br>
  title =        {Online Kernel Learning with a Near Optimal Sparsity Bound},<br>
  booktitle =    {Proceedings of the 30th International Conference on Machine Learning (ICML)},<br>
  year =         {2013},<br>
  pages= {621--629},<br>
}