@article{JMLR:v20:17-534,
  author  = {Amir Daneshmand and Ying Sun and Gesualdo Scutari and Francisco Facchinei and Brian M. Sadler},
  title   = {Decentralized Dictionary Learning Over Time-Varying Digraphs},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {139},
  pages   = {1--62},
  url     = {http://jmlr.org/papers/v20/17-534.html}
}