@inproceedings{ijcai2013p396,
  title     = {GBPR: Group Preference Based Bayesian Personalized Ranking for One-Class Collaborative Filtering},
  author    = {Pan, Weike and Chen, Li},
  booktitle = {Proceedings of the Twenty-Third International Joint Conference on
               Artificial Intelligence, {IJCAI-13}},
  publisher = {AAAI Press / International Joint Conferences on Artificial Intelligence},
  editor    = {Francesca Rossi},
  pages     = {2691--2696},
  year      = {2013},
  month     = {8},
  url       = {https://ijcai.org/proceedings/2013/396},
}