@article{JMLR:v18:16-532,
  author  = {Oscar Hernan Madrid Padilla and James Sharpnack and James G. Scott and Ryan J. Tibshirani},
  title   = {The DFS Fused Lasso: Linear-Time Denoising over General Graphs},
  journal = {Journal of Machine Learning Research},
  year    = {2018},
  volume  = {18},
  number  = {176},
  pages   = {1--36},
  url     = {http://jmlr.org/papers/v18/16-532.html}
}