Nonsmooth rank-one matrix factorization landscape.
Cédric JoszLexiao LaiPublished in: Optim. Lett. (2022)
Keyphrases
- matrix factorization
- collaborative filtering
- recommender systems
- low rank
- missing data
- nonnegative matrix factorization
- data sparsity
- negative matrix factorization
- factorization methods
- variational bayesian
- data matrix
- factor analysis
- personalized ranking
- data sets
- stochastic gradient descent
- factor matrices
- implicit feedback
- probabilistic matrix factorization
- item recommendation
- tensor factorization
- multiscale