@article{probabilisticmatrixfactorizationwith,
  title = {Probabilistic Matrix Factorization with Personalized Differential Privacy},
  author = {Shun Zhang and Laixiang Liu and Zhili Chen and Hong Zhong},
  year = {2018},
  eprint = {1810.08509},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1810.08509v1},
}