@article{beyondhartiganconsistencymergedistortion,
  title = {Beyond Hartigan Consistency: Merge Distortion Metric for Hierarchical Clustering},
  author = {Justin Eldridge and Mikhail Belkin and Yusu Wang},
  year = {2015},
  eprint = {1506.06422},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1506.06422v2},
}