@article{recommendationwithkanonymizedratings,
  title = {Recommendation with k-anonymized Ratings},
  author = {Jun Sakuma and Tatsuya Osame},
  year = {2017},
  eprint = {1707.03334},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1707.03334v1},
}