Collaborative filtering with privacy via factor analysis.

@inproceedings{canny-2002-collaborative, author = {John F. Canny}, editor = {Kalervo J\"{a}rvelin and Micheline Beaulieu and Ricardo Baeza-Yates and Sung-Hyon Myaeng}, title = {{Collaborative filtering with privacy via factor analysis}}, booktitle = {{SIGIR 2002: Proceedings of the 25th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, August 11-15, 2002, Tampere, Finland}}, pages = {238--245}, publisher = {ACM}, year = {2002}, url = {https://doi.org/10.1145/564376.564419}, doi = {https://doi.org/10.1145/564376.564419} }