@article{truthfulmechanismsformatchingand,
  title = {Truthful Mechanisms for Matching and Clustering in an Ordinal World},
  author = {Elliot Anshelevich and Shreyas Sekar},
  year = {2016},
  eprint = {1610.04069},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1610.04069v2},
}