Accurate Matrix Factorization: Inverse LU and Inverse QR Factorizations.

Published in: SIAM J. Matrix Anal. Appl. (2010)

Keyphrases

matrix factorization
collaborative filtering
nonnegative matrix factorization
low rank
missing data
recommender systems
negative matrix factorization
stochastic gradient descent
factor analysis
data sparsity
probabilistic matrix factorization
data matrix