@article{JMLR:v17:14-454,
  author  = {M. Pawan Kumar and Puneet K. Dokania},
  title   = {Rounding-based Moves for Semi-Metric Labeling},
  journal = {Journal of Machine Learning Research},
  year    = {2016},
  volume  = {17},
  number  = {91},
  pages   = {1--42},
  url     = {http://jmlr.org/papers/v17/14-454.html}
}