@inproceedings{incrementalclusteringthecaseforextra,
  title = {Incremental Clustering: The Case for Extra Clusters},
  author = {Margareta Ackerman and Sanjoy Dasgupta},
  year = {2014},
  booktitle = {NeurIPS 2014 12},
  eprint = {1406.6398},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1406.6398v1},
}