@ARTICLE{7017528,
  author={Hu, Zhen and Lin, Ming and Zhang, Changshui},
  journal={IEEE Transactions on Neural Networks and Learning Systems}, 
  title={Dependent Online Kernel Learning With Constant Number of Random Fourier Features}, 
  year={2015},
  volume={26},
  number={10},
  pages={2464-2476},
  doi={10.1109/TNNLS.2014.2387313}}