@article{JMLR:v21:19-900,
  author  = {Fanghui Liu and Xiaolin Huang and Chen Gong and Jie Yang and Li Li},
  title   = {Learning Data-adaptive Non-parametric Kernels},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {208},
  pages   = {1--39},
  url     = {http://jmlr.org/papers/v21/19-900.html}
}