Unsupervised Complex Semi-Binary Matrix Factorization for Activation Sequence Recovery of Quasi-Stationary Sources.
Romain DelabeyeMartin GhienneOlivia PenasJean-Luc DionPublished in: CoRR (2023)
Keyphrases
- matrix factorization
- collaborative filtering
- missing data
- recommender systems
- low rank
- negative matrix factorization
- binary matrix
- unsupervised learning
- nonnegative matrix factorization
- variational bayesian
- factorization methods
- data sparsity
- factor analysis
- item recommendation
- stochastic gradient descent
- data matrix
- feature extraction
- probabilistic matrix factorization
- latent factor models
- input data
- supervised learning
- multiscale