@article{JMLR:v15:vanlaarhoven14a,
  author  = {Twan van Laarhoven and Elena Marchiori},
  title   = {Axioms for Graph Clustering Quality Functions},
  journal = {Journal of Machine Learning Research},
  year    = {2014},
  volume  = {15},
  number  = {6},
  pages   = {193--215},
  url     = {http://jmlr.org/papers/v15/vanlaarhoven14a.html}
}