@inproceedings{measuresofclusteringqualityaworkingset,
  title = {Measures of Clustering Quality: A Working Set of Axioms for Clustering},
  author = {Shai Ben-David and Margareta Ackerman},
  year = {2008},
  booktitle = {NeurIPS 2008 12},
  url = {http://papers.nips.cc/paper/3491-measures-of-clustering-quality-a-working-set-of-axioms-for-clustering},
}