@article{slopeonepredictorsforonlineratingbased,
  title = {Slope One Predictors for Online Rating-Based Collaborative Filtering},
  author = {Daniel Lemire and Anna Maclachlan},
  year = {2007},
  eprint = {cs/0702144},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/cs/0702144v2},
}