@inproceedings{ijcai2009p332,
  title     = {Sketching Techniques for Collaborative Filtering},
  author    = {Bachrach, Yoram and Porat, Ely and Rosenschein, Jeffrey S.},
  booktitle = {Proceedings of the Twenty-First International Joint Conference on
               Artificial Intelligence, {IJCAI-09}},
  publisher = {International Joint Conferences on Artificial Intelligence},
  editor    = {Hiroaki Kitano},
  pages     = {2016--2020},
  year      = {2009},
  url       = {https://ijcai.org/proceedings/2009/332},
}