A differentially private nonnegative matrix factorization for recommender system.

Xun Ran Yong Wang Leo Yu Zhang Jun Ma

Published in: Inf. Sci. (2022)

Keyphrases

nonnegative matrix factorization
differentially private
recommender systems
matrix factorization
collaborative filtering
negative matrix factorization
differential privacy
data representation
spectral clustering
least squares
data sets
document clustering
database
co occurrence
original data