@article{JMLR:v20:18-278,
  author  = {Shiqing Yu and Mathias Drton and Ali Shojaie},
  title   = {Generalized Score Matching for Non-Negative Data},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {76},
  pages   = {1--70},
  url     = {http://jmlr.org/papers/v20/18-278.html}
}