@article{JMLR:v23:21-0335,
  author  = {Huiming Lin and Meng Li},
  title   = {Double Spike Dirichlet Priors for Structured Weighting},
  journal = {Journal of Machine Learning Research},
  year    = {2022},
  volume  = {23},
  number  = {248},
  pages   = {1--28},
  url     = {http://jmlr.org/papers/v23/21-0335.html}
}