@article{JMLR:v7:kaempke06a,
  author  = {Thomas Kämpke},
  title   = {Distance Patterns in Structural Similarity},
  journal = {Journal of Machine Learning Research},
  year    = {2006},
  volume  = {7},
  number  = {74},
  pages   = {2065--2086},
  url     = {http://jmlr.org/papers/v7/kaempke06a.html}
}