@inproceedings{hierarchicalclusteringwithstructural,
  title = {Hierarchical Clustering with Structural Constraints},
  author = {Vaggos Chatziafratis and Rad Niazadeh and Moses Charikar},
  year = {2018},
  booktitle = {ICML 2018 7},
  eprint = {1805.09476},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1805.09476v2},
}