Nonnegative Joint Diagonalization by Congruence Based on LU Matrix Factorization.
Lu WangLaurent AlberaAmar KachenouraHuazhong ShuLotfi SenhadjiPublished in: IEEE Signal Process. Lett. (2013)
Keyphrases
- matrix factorization
- nonnegative matrix factorization
- tensor factorization
- factor matrices
- data matrix
- collaborative filtering
- sparse non negative
- low rank
- negative matrix factorization
- recommender systems
- data sparsity
- factorization methods
- missing data
- factor analysis
- low rank matrix
- stochastic gradient descent
- variational bayesian
- objective function
- factorization method
- latent factors
- item recommendation
- data sets
- sparsity constraints
- probabilistic matrix factorization
- clustering algorithm