On Identifiable Polytope Characterization for Polytopic Matrix Factorization.
Bariscan BozkurtAlper T. ErdoganPublished in: ICASSP (2022)
Keyphrases
- personalized ranking
- matrix factorization
- item recommendation
- collaborative filtering
- missing data
- recommender systems
- low rank
- negative matrix factorization
- data sparsity
- factorization methods
- nonnegative matrix factorization
- factorization method
- factor analysis
- convex hull
- stochastic gradient descent
- latent factors
- variational bayesian
- data matrix
- low rank matrix
- latent factor models
- clustering algorithm